Barbiturates (Systemic)

Side Effects of This Medicine

Along with its needed effects, a medicine 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:

Rare

Bleeding sores on lips; chest pain; fever; muscle or joint pain; red, thickened, or scaly skin; skin rash or hives; sores, ulcers, or white spots in mouth (painful); sore throat and/or fever; swelling of eyelids, face, or lips; wheezing or tightness in chest

Also, check with your doctor as soon as possible if any of the following side effects occur:

Less common

Confusion; mental depression; unusual excitement

Rare

Hallucinations (seeing, hearing, or feeling things that are not there); unusual bleeding or bruising; unusual tiredness or weakness

With long-term or chronic use

Bone pain, tenderness, or aching; loss of appetite; muscle weakness; weight loss (unusual); yellow eyes or skin

Symptoms of overdose

Confusion (severe); decrease in or loss of reflexes; drowsiness (severe); fever; irritability (continuing); low body temperature; poor judgment; shortness of breath or slow or troubled breathing; slow heartbeat; slurred speech; staggering; trouble in sleeping; unusual movements of the eyes; weakness (severe)

Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome:

More common

Clumsiness or unsteadiness; dizziness or lightheadedness; drowsiness; ``hangover'" effect

Less common

Anxiety or nervousness; constipation; feeling faint; headache; irritability; nausea or vomiting; nightmares or trouble in sleeping

For very ill patients:

• Confusion, mental depression, and unusual excitement may be more likely to occur in very ill patients

After you stop using this medicine, your body may need time to adjust. If you took this medicine in high doses or for a long time, this may take up to about 15 days. During this period of time check with your doctor if any of the following side effects occur (usually occur within 8 to 16 hours after medicine is stopped):

Anxiety or restlessness; convulsions (seizures); dizziness or lightheadedness; feeling faint; hallucinations (seeing, hearing, or feeling things that are not there); muscle twitching; nausea or vomiting; trembling of hands; trouble in sleeping, increased dreaming, or nightmares; vision problems; weakness

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.