An upper respiratory infection is contagious for as long as the active virus is in your system. Taking an antibiotic will help rid the body of the live virus. You will remain contagious for 24 hours following the first treatment of the antibiotic.
Penicillin can be used to treat upper respiratory infections for cats so long as it is prescribed by a vet. Use the medication as directed and be sure to finish it, even if your car appears to be better.
Kennel cough, an upper respiratory condition found in cats and dogs, can have symptoms that last up to six weeks.
RSV infection usually runs its course in seven to 14 days. The cough may linger weeks longer.
A cough from pneumonia should only last 7-10 days after the antibotics are finished, if that long! If you are still experiencing a cough, you should check with your doctor. The pneumonia may not be gone or you might have developed a secondary respiratory infection.
lung infection
This will depend upon the organism that caused the infection in the first place. In cats, most upper respiratory infections are viral in origin and they tend to be cleared out by a normal healthy cat within a week.
Symptoms of lower respiratory infection may include cough, chest congestion, shortness of breath, wheezing, fever, and fatigue. In more severe cases, there may also be chest pain, bluish discoloration of the skin or lips, and confusion. It is important to seek medical attention if experiencing these symptoms.
Seatworm infection usually lasts one to two months
Sinus congestion ( Rhinosinusitus ) or upper respiratory infection. Your sinuses are filled with mucus causing pressure and it is into your Eustation tubes and inner ear so it is affecting your balance. ( Pressure in the inner ear can rupture the eardrum.) See a Physician for decongestants and antibiotics, keeping an infection too long can affect long term hearing once it has entered the passages of the ear.
Prostate infection or prostatitis will last if left untreated. The treatment will vary according to the cause, such as when the infection is caused by a bacteria, then antibacterial are ordered. If it's a virus, antivirals are prescribed.
The acute phase lasts about two months