Cycloserine (By mouth)
sye-kloe-SER-een
Treats tuberculosis (TB). Sometimes used to treat urinary tract infections (UTIs).
Drug classes
Antitubercular (About this – PubMed Health)
Uses
Uses of This Medicine
Cycloserine belongs to the family of medicines called antibiotics. It is used to treat tuberculosis (TB). When cycloserine is used for TB, it is given with other medicines for TB. Cycloserine may also be used for other conditions as determined by your doctor.
To help clear up your tuberculosis (TB) completely, you must keep taking this medicine for the full time of treatment, even if you begin to feel better. This is very important. It is also important that you do not miss any doses.
Cycloserine is available only with your doctor’s prescription.
Once a medicine has been approved for marketing for a certain use, experience may show that it is also useful for other medical problems. Although this use is not included in product labeling, cycloserine is used in certain patients with the following medical condition:
Atypical mycobacterial infections, such as Mycobacterium avium complex (MAC)
Other uses (PubMed Health)
How To Use
Capsule
Your doctor will tell you how much medicine to take and how often.
Take this medicine on a regular schedule. Keep taking the medicine for as long as your doctor has ordered, even if you are feeling better. If you stop the medicine too soon, your infection may not completely go away.
You may take this medicine with food or on an empty stomach.
If a dose is missed:
Take the missed dose as soon as possible, unless it is almost time for your next dose.
Skip the missed dose if it is almost time for your next regular dose.
You should not use two doses at the same time.
How to Store and Dispose of This Medicine:
Store the capsules at room temperature away from heat, moisture, and direct light.
Keep all medicine out of the reach of children.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Do not drink alcohol while taking cycloserine. You are more likely to have serious side effects such as seizures if you drink alcohol while taking this medicine.
Make sure your doctor knows if you are also taking ethionamide (Trecator-SC®) or isoniazid (INH®).
When Not To Use
You should not use this medicine if you have had an allergic reaction to cycloserine. You should not use cycloserine if you drink large amounts of alcohol or have seizures (epilepsy), mental problems, depression, severe anxiety, or severe kidney disease.
Warnings
If you are pregnant or breastfeeding, talk to your doctor before taking this medicine.
Tell your doctor right away if you become depressed or start to have thoughts about hurting yourself.
This medicine may make you dizzy or drowsy. If it does, avoid driving or using machinery. Tell your doctor if these symptoms do not go away.
Possible side effects
Summary More details
Call your doctor right away if you notice any of these side effects:
Seizures
Depressed mood, thoughts of hurting yourself
Severe anxiety, confusion, memory loss
Changes in your personality such as aggressive behavior
Trouble talking
If you notice these less serious side effects, talk with your doctor:
If you notice other side effects that you think are caused by this medicine, tell your doctor.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
More side effects of this drug
Brand names include
Seromycin
There may be other brand names for this medicine.