Seromycin Pulvules Side Effects

Generic name: cycloserine

Medically reviewed by Drugs.com. Last updated on Mar 9, 2025.

Note: This document provides detailed information about Seromycin Pulvules.

Applies to cycloserine: oral capsule Side Effects associated with cycloserine. Some dosage forms listed on this page may not apply specifically to the brand name Seromycin Pulvules.

Applies to cycloserine: oral capsule.

Precautions

It is very important that your doctor check your progress at regular visits.

If your symptoms do not improve within 2 to 3 weeks, or if they become worse, check with your doctor.

If cycloserine (the active ingredient contained in Seromycin Pulvules) causes you to feel very depressed or to have thoughts of suicide, check with your doctor immediately. Your doctor will probably want to change your medicine.

This medicine may cause some people to become dizzy, drowsy, or less alert than they are normally. Make sure you know how you react to this medicine before you drive, use machines, or do anything else that could be dangerous if you are dizzy or are not alert. If these reactions are especially bothersome, check with your doctor.

Some of cycloserine's side effects (for example, convulsions [seizures]) may be more likely to occur if you drink alcoholic beverages regularly while you are taking this medicine. Therefore, you should not drink alcoholic beverages while you are taking this medicine.

Serious side effects of Seromycin Pulvules

Along with its needed effects, cycloserine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking cycloserine:

Other side effects of Seromycin Pulvules

Some side effects of cycloserine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

For healthcare professionals

Applies to cycloserine: oral capsule.

General adverse events

The most commonly reported side effects included hypersensitivity and nervous system manifestations.^[Ref]

Nervous system

• Frequency not reported: Central nervous system toxicity, character changes, coma, convulsions, drowsiness, headache, hyperreflexia, major and minor (localized) clonic seizures, memory loss, paresis, paresthesia, somnolence, tremor, vertigo^[Ref]

Character changes, coma, convulsions, drowsiness, headache, hyperreflexia, major and minor (localized) clonic seizures, memory loss, paresis, paresthesia, somnolence, tremor, vertigo appeared to be dose related.^[Ref]

Psychiatric

• Frequency not reported: Aggression, anxiety, confusion, disorientation, dysarthria, hyperirritability, psychosis with/without suicidal tendencies^[Ref]

Aggression, confusion, disorientation, dysarthria, hyperirritability, and psychosis with/without suicidal tendencies appeared to be dose related.^[Ref]

Hypersensitivity

• Frequency not reported: Allergic dermatitis, allergy, drug hypersensitivity^[Ref]

Hematologic

• Frequency not reported: Megaloblastic anemia, sideroblastic anemia^[Ref]

Metabolic

• Frequency not reported: Folic acid deficiency, vitamin B12 deficiency^[Ref]

Dermatologic

• Frequency not reported: Rash/skin rash^[Ref]

Cardiovascular

• Frequency not reported: Congestive heart failure^[Ref]

Sudden onset of congestive heart failure occurred in patients given 1000 to 1500 mg/day.^[Ref]

Hepatic

• Frequency not reported: Elevated serum transaminases^[Ref]

Elevated serum transaminases occurred in patients with preexisting liver disease.^[Ref]

See also:

Further information

Seromycin Pulvules side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer