How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask Cher Your Own Question

Cher
Cher, Feline Specialist
Category: Cat
Satisfied Customers: 18977
Experience:  Feline Healthcare & Behavior Specialist 40+ years Experience
1470369
Type Your Cat Question Here...
Cher is online now
A new question is answered every 9 seconds

What is the proper dosage of Penicillin VK for a 15 lb cat

Resolved Question:

What is the proper dosage of Penicillin VK for a 15 lb cat with an apparent UTI? I have 500 mg tablets and by using a tablet cutter I can split down to lower mg pieces. For example I have been able to halve one 500 mg tablet consecutively 5 times to yield an approximately 31.25 mg piece.
Also, can I put the piece into a soft cat treat and will that still allow proper absorption and dosing?
Submitted: 5 years ago.
Category: Cat
Expert:  Cher replied 5 years ago.
Hello,

While your cat may be exhibiting symptoms of a UTI, the symptoms you describe also sound like he may have a urethral obstruction, and in a male cat, this is a serious emergency. If your regular vet is closed now and doesn't have emergency hours, you need to bring your cat to the nearest ER vet center, as soon as possible, for treatment.

http://www.sniksnak.com/cathealth/fusfaqs.html
http://www.sniksnak.com/cathealth/urethral.html

The antibiotics you have, may help temporarily, but only for the UTI, not the blockage. If you can split the 500 mg. Pen VK down to 31.25 mgs, this dosage should be alright; it can be given 3 times a day (every 8 hours). The proper dosage would be 30 mg., but because you can only get it down to the amount you mentioned, that's the best you can do.

Try your very best to have your cat evaluated and treated by any local vet who may have emergency hours, or an ER vet center in your area, immediately. He may need to be catheterized to drain his bladder, and if this is not done, he will continue to be very uncomfortable, and the toxins can back up in his system, and cause severe illness. Because he's a senior, it's very important to have him seen, now. If you're not sure where there is an ER vet center in your area, and you're locate in the US, try this site:

http://www.pets911.com/services/emergency/index.php

I hope all will be well with your furry boy, and he's feeling much better, very soon!

Cher
Cher, Feline Specialist
Category: Cat
Satisfied Customers: 18977
Experience: Feline Healthcare & Behavior Specialist 40+ years Experience
Cher and other Cat Specialists are ready to help you

JustAnswer in the News:

 
 
 
Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
 
 
 

What Customers are Saying:

 
 
 
  • The response from the Expert literally saved my cat's life. Thank you from the bottom of my heart -- I will recommend all of my friends to you!!! Lucia Rincon, Georgia
< Last | Next >
  • The response from the Expert literally saved my cat's life. Thank you from the bottom of my heart -- I will recommend all of my friends to you!!! Lucia Rincon, Georgia
  • I will use your service again. I was very pleased with the response and the fact that you have a low cost option so that those of us on fixed income can have questions answered. I will also recommend you to others. Karen Jackson Heights, NY
  • You helped us to come to what we believe is a better next step in Jack's treatment, and hopefully have saved us $800!! Thanks again! Jack's Mom Tuscon, AZ
  • The vet said that the information and my following it will be what made the difference. Thanks again for being so very helpful. Tracy Grayson, LA
  • My oldest male cat had a seizure this evening. This site was the first place I could think of to go after the seizure had passed. Dr. Lucy was fantastic and she was spot on! Debbie USA
  • I must tell you I found this site by accident and was amazed when I asked a question of the Veteranians online. I wish I could have found it sooner it could have made such a difference in the outcome of my pet's surgery. However, I am passing along the information to my sister-in-law (a cat-rescue person who is also a nurse), and perhaps it will help someone else who may experience the same problem. The doctor who answered my question was amazing, and while it didn't come it time to change the outcome of my situation, it is reassuring to know the caliber of Vets/Doctors that you have at JustAnswer. Thank you for being there. Alice H. Jacksonville, Fl.
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
 
 
 

Meet The Experts:

 
 
 
  • Terri

    Feline Healthcare Expert

    Satisfied Customers:

    18938
    Expert in feline health and behavior. 20 years experience with cats.
< Last | Next >
  • http://ww2.justanswer.com/uploads/purrfectkitty/2008-07-10_084515_2006-06-10_me2.jpg Terri's Avatar

    Terri

    Feline Healthcare Expert

    Satisfied Customers:

    18938
    Expert in feline health and behavior. 20 years experience with cats.
  • http://ww2.justanswer.com/uploads/RY/rydergar/2012-6-6_192240_IMG0328.64x64.JPG Dr. Gary's Avatar

    Dr. Gary

    Cat Veterinarian

    Satisfied Customers:

    868
    DVM, Emergency Veterinarian; BS (Physiology) Michigan State Univ
  • http://ww2.justanswer.com/uploads/CE/Cerecita/2011-3-16_2565_JAPIC500x500.64x64.jpg Cher's Avatar

    Cher

    Feline Specialist

    Satisfied Customers:

    9637
    Feline Healthcare & Behavior Specialist 40+ years Experience
  • http://ww2.justanswer.com/uploads/kydoll/2008-11-26_190500_me.jpg Lori's Avatar

    Lori

    Feline Healthcare

    Satisfied Customers:

    3325
    16 yrs health care mgmt & issues relating to cats, reproductive issues and multicat environments
  • http://ww2.justanswer.com/uploads/mccprn/2009-11-20_185102_JA_profile.jpg Micki's Avatar

    Micki

    Expert in cat behavior and health

    Satisfied Customers:

    3153
    Expert in cat medical and behavior issues.
  • http://ww2.justanswer.com/uploads/ER/ERPetNurse/2011-11-7_1293_b.64x64.jpg Candy R.'s Avatar

    Candy R.

    Veterinary Technician

    Satisfied Customers:

    2887
    Practicing Veterinary Technician for 26 years.Former Veterinary Practice Owner, Technician Trainer
  • http://ww2.justanswer.com/uploads/BA/babybloo/2011-3-10_62613_DavidandI.64x64.jpg Theresa's Avatar

    Theresa

    A Voice for your Pet

    Satisfied Customers:

    2124
    19+ years in animal medicine as a veterinary technician
 
 
 
Chat Now With A Cat Vet
Cher
Cher
JustAnswer Expert & Mentor;Teacher/Tutor
9877 Satisfied Customers
Feline Healthcare & Behavior Specialist 40+ years Experience