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Ask the Vet About Hyperthyroidism in Cats

Hyperthyroidism
Symptoms & Diagnosis
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Ask the Vet About Hyperthyroidism in Cats
Dr. Michael Dym
Dr. Michael Dym
VMD, Veterinarian
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DoctorDym.com

As a practicing veterinarian, Dr. Dym has over 19 years of experience and dedication to enhancing the overall health and well-being of pets. His commitment and passion for pet health continuously drives him to learn more about the art and science of homeopathy through ongoing training and education.

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Date: 05/09/16
Category: Other
Pet Type: Cat
Topic: My Cat Can't Walk Or Hold It's Head Up Without Collapsing. I Think It He Might've Had A Stroke

Question:I Have A Rather Urgent Situation. I Am Trying To Find Out What Is Going On With My Black Domestic Cat. He Is 15 And Will Be 16 In August. He Has Been Losing Chunks Of His Hair For Months Now And Is Now Very Skinny To Where You Can Feel His Spine. Out Of Nowhere Yesterday Afternoon, I Noticed Him Lying Next To The Food And Water Dish But Wasn't Partaking. I Knew Something Wasn't Right. He Always Follows Me Everywhere, And When I Am Cooking He Is Next To Me Trying To Talk Because He Smells The Good Food. This Time, He Wasn't. When I Tried To Pick Him Up, I Couldn't Get Him To Pick Up His Head. He Couldn't. When I Tried To Get Him To Walk He Couldn't. He Started To Go Down More On His Left Side And Just Collapsed On The Floor. Same Thing Happened When I Put Him On The Couch. He Would Try To Stand Up And Walk, But Quickly He Would Collapse. Several Times He Would Put His Head Down On His Left Side On His Paws, But He Struggled To Get His Back Legs Down, Like He Was Hurting Back There. With Cats I Know It's Very Hard So I'm Sorry If This Is Confusing In Anyway. I Stayed Up With Him Until 4 Am Central Time And When I Went To Bed, I Took Him With Me So I Could Monitor Him Closely. He Was Using The Pan But I Did Not See Him Eat Anything Yesterday. Not Saying He Didn't, I I Just Didn't Witness It Because The Kitchen Is Around The Corner From He Living Room. This Morning When My Mom And I Tried To Hold Him He Started To Cry. So, I Took Him To The Kitchen To Try And Get Him To Eat And Or Drink But He Wouldn't. Then, Out Of Nowhere, My Mom Made Him A Soft Plain Egg With A Little Cheese And He Raised His Head For The First Time Himself And Stood Up By Himself. I Was In Tears. He Started To Lick The Eggs, Then He Did Drink Water Twice And Used The Pan With My Assistance Since He Couldn't Get In Himself. Through Some Research This Morning, I'm Wondering If He Has Had Hyperthyroidism For Some Time And That Could've Led To A Stroke. His Heart Rate Has Been Very Fast, Even After Sleeping Next To Me All Night. What Do You Think? Money Is Very Very Tight Right Now If I Was Able To Go Into Details. Any Help And Advice Would Be Greatly Appreciated. The Vet We Have Used Will Not See Any Of Our Pets Without Payment. They've Been Burned Too Many Times By Past Clients.

Answer:Many Possibilities From A Stroke In The Brain To Primary Hyperthyroidism, Etc To Plain And Simply Cardiomyopathy, A Common Disease Of Cats That Can Lead To Emboli In The Circulation Or Stroke Like Episodes. Needs Vet Exam And Evaluation. Not Much Can Be Done At Home Without Diagnosis

Date: 02/15/14
Category: Urinary Tract/Kidneys
Pet Type: Cat
Topic: Hyperthyroid/kidney Health

Question:Does My Cat Need To Take Prescription Cat Food/hills K/d He Has Been Diagnosed With Hyperthyroidism And Beginnings Of Kidney Problem.

Answer:There Are Other Options, Including Home Made Diets Such As Those Found In Book The Natural Cat By Anitra Frazier. I Would Work With Holistic Vet To Learn More Go To Www.doctordym.com

Date: 09/04/13
Category: Hormonal/Endocrine
Pet Type: Dog
Topic: Cushing's Test

Question:My 14 Year Old Dog Was Diagnosed With Hyperthyroidism Due To A Tumor On His Thyroid Over Two Years Ago. He Has Been On Methimazole Ever Since And His Symptoms Are More Or Less Under Control Now. He Takes Ten 10mg Pills A Day. He Still Drinks A Little More Than Usual And Pants A Lot But He Has Gained Back The Weight He Was Losing And Hasn't Had Any Accidents In The House In A Long Time. Blood Tests Show His Thyroid Levels In The "high Normal" Range. A New Vet Has Taken Over His Care And Now Seems To Want To Do All Sorts Of New Tests Due To A Continued Elevation In My Dog's Liver Enzyme Level. I Consented To An Abdominal Ultrasound Recently Which Basically Only Found A Slightly Enlarged Liver And Some "spots" On The Liver. Now The Doctor Wants To Do A Acth Stim Test For Cushing's. This Is An Expensive Test. The Vet That Took Care Of Him Up Until Recently Never Even Mentioned This Test. My Dog Does Have Some Of The Symptoms Of Cushing's Like Panting, Excessive Drinking At Times But Does Not Have Others Like Loss Of Hair, Potbelly Appearance Or Increased Appetite (in Fact His Appetite Has Decreased If Anything). To Me This Test Seems Unnecessary. Obviously If I Start To See Some Of The Symptoms Associated With Cushing's That Are Not Associated With Hyperthyrodism I May Change My Mind. Any Advice?

Answer:Never A Bad Idea To Rule Out This Fairly Common Hormonal Disease Called Cushings Disease. I Dont See Problem Monitoring For Other Symptoms And Waiting Either

Date: 05/16/13
Category: Other
Pet Type: Cat
Topic: Hyperthyroidism

Question:Our Twelve Year Cat She Has Hyperthyroidism We Started He With Two Doses Of The Pill Medication, Its Hard Getting Her To Open Her Mouth So We Tried The Gel. She Has Allergies From Time To Time So She Gets Depo Shots, Well She Has Broken Out So Severe Around Her Eyes And Ears. I Backed Off The Use Of Gel And Went Back To Once A Day On The Pills And It Seems To Have Gotten Better Plus I Washed The Area With Epsom Salts In Warm Water With A Cotton Ball. The Gel Was So Easy But It Seemed To Bother Her Ears To The Point Of Burning Red And Warm To Touch. Is There Something I Could Do For Her Ears To Make The Gel Work For Her Or Stick With The Pills And Try Gradually Adding The Extra Pill Back To Twice A Day, I Am Hoping She's Not Allergic To The Medication Methimazole The Vet Seems To Thinks It's Just Her Allergies Because Things Are So Active. But She Broke Out So Bad Her Hair Fell Out In Those Areas And Looked Very Painful For Her. Do You Think They Gave Her To Much To Start With And That Is Why She Broke Out, I Have Read A Lot About Some Cats Being Allergic To It And Having These Types Of Break Outs. Our Vet Never Told Us To Wash The Ear Before Giving Her The Next Gel Application So I Am Not Sure If That Caused Some Of Her Problems With The Breaking Out. Hope You Can Give Some Help With Ideas To Make This Better For Her, She Lost Her Twin Brother Two Months Ago Who Had Was A Diabetic Then It Stopped But His Colon Never Kicked Back In Or He Had Some Type Of Cancer He Went From 16lbs To 8lbs And Past Away On Us In The Car Going To The Vet. Thank You Ginny

Answer:I Dont Have Any Tips On Giving The Gel. If It Causes Allergic Skin Reaction, Nothing To Do With The Dose But Just The Formulation It Comes In. I Would Ask Vet About Y/d Food Which May Help Manage Symptoms With Less Or No Medicine. Also Can Explore Radioactive Iodine Option For Treatment.

Date: 12/02/12
Category: Other
Pet Type: Cat
Topic: 14 Year Old Russian Blue

Question:I Was Blessed To Become The Owner Of A Wonderful Little Gray Furball Which Turned Out To Be A Russian Blue Named Ashlee..he Is Now 14 Years Old, Over The Last 2 Years He Has Lost More Than Half His Weight And He Is Very Thin.. He Always Eats And Drinks And His Urine Is Diluted.he Has Been Having "accidents". It Only Smells Like Ammonia A Little.. The Vet Says He Might Has Diabetes.. But I Dont Not Want To Make Him Suffer With Insulin Shots Everday..and The Insulin Is Soo Expensive For My Fixed Income..is There Anything I Can Do For Him To Keep Him Comfortable..

Answer:Cant Make Any Recommendations On This One As Could Be Other Problem As Well Like Overactive Thyroid Which Needs Blood Test To Diagnose. Hyperthyroidism Easily Treated With Medications.

Date: 03/30/09
Category: Urinary Tract/Kidneys
Pet Type: Cat
Topic: Inappropriate Urination

Question:My Female Cat, 12 Years Old, Recently Diagnosed (6 Months Ago) With Hyperthyroidism And Being Treated With Methimazole, Has Recently Started Urinating On The Floor In The Kitchen And In A Bathroom. She Has Used The Outdoors For Her Potty Needs But Has Recently Been Introduced To A Litter Box With Some Success, Usually Asking To Go Out For This Activity. Currently She Does Not Ask To Go Out And Is Not Using The Litterbox Voluntarily. What Can I Do To Help Her A) Use The Litterbox Or B)continue To Go Outside And C)stop Urinating On The Floor?

Answer:I Would First Have Vet Recheck To Make Sure No Urinary Infections Or Kidney Issues As Some Cats Treated For Overactive Thyroid With Tapazole Can Develop Some Kidney Issues. I Would Rule This Out At Vet First Before Assuming It Is Behavioral Issue.

Date: 11/20/07
Category: Hormonal/Endocrine
Pet Type: Cat
Topic: Hyperthyroidism In Young Cat

Question:My Cat Is 2 Yr. Old And Was Just Diagnosed With Hyperthyroidism (vet Didn't Tell Me The Measuring Unit But Said T4 Was 5.3 Where 2.5- 5 Is Considered Borderline Hyperthyroidism). I Am Trying To Decide Between Iodine 131 Treatment, Surgery Or Medication. Given That My Cat Is So Young I Am Worried About Him Developing Cancer Later In Life From The Radiation Treatment. Any Suggestions How To Manage Hyperthyroidism In Such A Young Cat? Are There Any Holistic Treatments Or Herbs That Could Help? He Currently Doesn't Have Any Symptoms, Except A 0.3 Pound Weight Loss In The Past 3 Month And A Very Slight Heart Murmur That Comes And Goes. Thanks!

Answer:In Fact I Would Strongly Recommend Exploring Holistic/homeopathic Options In Cat This Age Given Very Little Symptoms. You Can Always To To Radioactive Iodine Or Tapazole Later If Clinically Needed. However I Would Learn More About Homeopathy Www.beyondflatearth.com As Well As See Website Www.theavh.org For List Of Homeopathic Vets By State. Many Offer Phone Consults. Also Get Book Dr Pitcairns Guide To Natural Health For Dogs And Cats By Richard Pitcairn, Dvm, Phd Which Has Nice Discussion On Thyroid Issues And Best Long Term Dietary Approaches As Well.

Date: 07/08/07
Category: Hormonal/Endocrine
Pet Type: Cat
Topic: Yellowish Tumor Inside Of Mouth

Question:What Is The Cause Of The Tumor In My Cats Mouth? She Is Almost 14yrs Old And Has Hyperthyroidism Disease And Is Taking Tapazole For The Problem.please Help!!!

Answer:The Hyperthyroid Has Nothing To Do With Mouth Tumor. Some Older Pets Do Develop Cancer Elsewhere In Body. I Would See Vet And Find About Treatment Options Like Surgical Removal Or Biopsy As Well As Chemotherapy Or Radiation Depending Upon Type Of Tumor, How Big And Where It Is In Mouth

Date: 06/16/07
Category: Hormonal/Endocrine
Pet Type: Cat
Topic: Vomit Diarrhea Hyperthyroid

Question:My 17 Year Old Cat Has Been Diagnosed With Hyperthyroidism And Has (over The Past Year) Gone From 12 Pounds Down To 6 And A Half Pounds. We Are Trying To Get Her Regulated On Her Medicine But Just This Last Week She Started Having Really Dark Diarrhea (luckily She's Still Making It To Her Litter Box) And Today Her Vomit Was Really Dark Liquid As Well. A Few Times Her Vomit Was Bloody, But This Time It Was Really Dark Almost Like Her Diarrhea. Any Ideas As To What This Means? I Know She Probably Doesn't Have Another Year, But I Was Just Wondering Why The Really Dark Diarrhea And Now Dark Vomitting. Thanks

Answer:It Does Not Sound Like She Is Well Regulated. I Would Check On Her Thyroid Levels And Adjust Dosages Accordingly. Also Sometimes This Drug Can Cause Digestive Upset. It Is Also Possible That She Has Other Digestive Problem Of Pancreas Of Inflammatory Bowel Disease Or Even Cancer Of Bowels. I Would Ask Vet To Work Her Up For These Things With Full Blood Work, X Rays And Ultrasound

Date: 04/13/07
Category: Hormonal/Endocrine
Pet Type: Cat
Topic: Hyperthyroidism And Methimazole

Question:I Have A 13 Yr Old Cat Who Was Diagnosed With Hyperthyroidism 3/1/07. He Was Put On Oral Methimazole And Appeared To Be Getting Better. About 3 Wks After Starting Meds He Developed An Allergic Reaction To The Meds, Excessive Facial Itching. We Took Him Off The Meds, He Was Given A Steroid Shot And Is Not Oral Prednisone. But The Itching Has Not Stopped. We Made The Decision To Go Ahead With The Radioactive Iodine Treatment. His Last Bloodwork Shows His Thyroid Levels To Be Normal. My Vet Says He's Having An Allergic Reaction To Something Else. Radiocat Says The Methimazole Is Still In His Sytem (after Nearly Two Weeks Of Not Taking It) Resulting In Normal Thyroid Levels. My Question Is, Could There Be Something Else Causing The Raised Thyroid Levels? Shouldn't The Methimazole Be Out Of His System By Now? He's Been Off The Meds Since 3/28 And Is Still Showing Signs Of The Allergic Reaction. He Has Scratched The Fur Off The Sides Of His Face And Continues To Do So Even While Taking Oral Prednisone. I'd Definitely Like Another Opinion. Thanks.

Answer:I Would Think That The Drug Would Be Out Of His System By Now. I Would Ask Your Vet About Other Possibilities Including Food Allergies In Cats Which Can Often Appear This Way. However Intense Facial Itching Like This Is A Sign Of Tapazole Reaction, But I Would Think It Would Stop Once The Drug Was Stopped.

Date: 03/17/07
Category: Hormonal/Endocrine
Pet Type: Cat
Topic: Possibility Of Hyperthyroidism???

Question:I Have A Spayed Female Cat Who Is Approximately 6 1/2 Years Old. In The Last Few Months She Has Started Shedding Excessively Without Any Noticable Overgrooming. She Has Medium To Long Hair And I Am Finding It Everywhere. She Is A Completely Indoor Cat And Has No Visible Signs Of Fleas Or Other Parasites And No Bald Patches. She Occassionaly Throws Up Right After Eating And Has Taken To Loud Meowing In The Middle Of The Night For No Apparent Reason. She Has Also Become Kind Of Mean A Few Times And Has Attempted To Bite Me When I'm Just Sitting On The Couch. She Has Not Lost Any Weight And Actually Appears Slightly Overweight Even Though We Only Feed Her Once A Day. Her Fur Is Also Slighly Matted And Dull. She Is Neither Overactive Or Lethargic And I Am At A Loss As To The Possible Causes Of Her Symptoms And Behavior. I Feed Her About 4 Oz Of Indoor-cat-formula Dry Food With A 1/2 Can Of Wet Food Daily. I Am Wondering Of This Could Be Hyperthyroidism Or Just A Matter Of Nutrition. Any Advice Or Suggestions Would Be Greatly Appreciated. Thank You!

Answer:Hyperthyroidism Is Possible But You Would Need Vet Exam And Full Blood Work To Sort Out. However Given Young Age And No Weight Loss, I Would Not Put High Thyroid At Top Of My List. I Would Change To More Natural Diet Like Azmira From 1800petmeds As Well As Pet Guard. Add Naturevet Enzymes To Meals As Well As Missing Link

Date: 03/02/07
Category: Skin Care
Pet Type: Dog
Topic: Hairloss

Question:My Boxer Has Hyperthyroidism And Is On Med For, But He Is Losing His Hair On His Sides, And The Skin Is Turnig Black. Is There Any Thing Else To Do To Get His Hair To Grow Back?

Answer:Make Sure On Good Natural Diet Like Azmira From 1800petmeds As Well As Add Natufevet Enzymes And Be Well Fatty Acid Supplement From 1800petmeds. Many Boxers Have A Seasonal Hair Loss Pattenr Which Can Sometimes Respond To Low Dose Melatonin Therapy From Health Food Store. A Skin Biopsy At Vet Can Help Diagnose The Cause And To See If Melatonin Might Help.

Date: 02/14/07
Category: Hormonal/Endocrine
Pet Type: Cat
Topic: Medication

Question:Is There A "trans Dermal" Medication Available For Hyperthyroidism In Cats?

Answer:Yes There Is. It Is A Compound Medication That We Can Dispense With A Prescription From Your Vet.

Date: 01/11/07
Category: Other
Pet Type: Cat
Topic: Blindness In Senior Cats

Question:My Cat Which Turned 18 This Past August 2006, Was Diagnosed With Hyperthyroidism In October And Since December His Sight Is Not There Anymore, His Pupils Are All Black, Could This Be Glucoma Or Cateracts?

Answer:Does Not Sound Like Cataracts. Glaucoma Is Possible As Well As Retinal Detachment Which Is More Common In Cats This Age With High Blood Pressure Which Can Be Associated With This Disease. Have Your Vet Check The Blood Pressure On Him As He Might Need Prescription Medicine Like Norvasc To Control Blood Pressure

Date: 09/30/06
Category: Pain/Inflammation
Pet Type: Cat
Topic: Arthritis/hyperthyroidism

Question:My 15 Year Old Indoor Only Male Cat Recently Started Limping And After Taking Him To The Vet Where They Conducted Extensive Blood/urine Analysis/cultures As Well Xrays. He Was Disgnosed With Arthritis In His Lower Back/legs And Hyperthyroidism (level 8)which He Had About 3 Years Ago But Was Cured After A Year On Methimazole. The Vet Has Been Placed Him On A Shot Of Adequan Once Weekly (received One Shot At The Vet)and Metacam Every Other Day (hasn't Had A Real Dose As He Wouldn't Eat The Food It Was In)plus A Topical Compound For The Hyperthyroidism(not Ready Yet) Since His Pet Visit 4 Days Ago He Has Barely Eaten Or Drank Much Water Or Used His Litterbox. I Have Tempted Him With Favorites But He Has A Nibble And That Is It. He Seems Very Subdued And Has Developed An Involuntary Shake/tick Of His Head And Paws. Could This Be Extended Trauma To What He Went Through Or A Reaction To The Medication?? His Whole Personality Seems To Have Changed And I Am Extremely Concerned. Thanks For Your Help And I Anticipate Your Response.

Answer:Could Very Well Be Reaction To The Tapazole And/or The Metacam. I Would Stop Both Medicines And Call Your Vet And If Needed Have Vet Recheck For Further Assessment

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