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 as soon as possible if any of the following side effects occur:
Anxiety; confusion (may be more common in the elderly); fast, pounding, or irregular heartbeat; lack of memory of events taking place after benzodiazepine is taken (may be more common with triazolam); mental depression
Abnormal thinking, including disorientation, delusions (holding false beliefs that cannot be changed by facts), or loss of sense of reality; agitation; behavior changes, including aggressive behavior, bizarre behavior, decreased inhibition, or outbursts of anger; convulsions (seizures); hallucinations (seeing, hearing, or feeling things that are not there); hypotension (low blood pressure); muscle weakness; skin rash or itching; sore throat, fever, and chills; trouble in sleeping; ulcers or sores in mouth or throat (continuing); uncontrolled movements of body, including the eyes; unusual bleeding or bruising; unusual excitement, nervousness, or irritability; unusual tiredness or weakness (severe); yellow eyes or skin
Symptoms of overdose
Confusion (continuing); convulsions (seizures); drowsiness (severe) or coma; shakiness; slow heartbeat; slow reflexes; slurred speech (continuing); staggering; troubled breathing; weakness (severe)
For patients having chlordiazepoxide, diazepam, or lorazepam injected :
Check with your doctor if there is redness, swelling, or pain at the place of injection.
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:
Clumsiness or unsteadiness; dizziness or lightheadedness; drowsiness; slurred speech
Less common or rare
Abdominal or stomach cramps or pain; blurred vision or other changes in vision; changes in sexual desire or ability; constipation; diarrhea; dryness of mouth or increased thirst; false sense of well-being; headache; increased bronchial secretions or watering of mouth; muscle spasm; nausea or vomiting; problems with urination; trembling or shaking; unusual tiredness or weakness
Not all of the side effects listed above have been reported for each of these medicines, but they have been reported for at least one of them. All of the benzodiazepines are similar, so any of the above side effects may occur with any of these medicines.
After you stop using this medicine, your body may need time to adjust. During this time, check with your doctor if you notice any of the following side effects:
Irritability; nervousness; trouble in sleeping
Abdominal or stomach cramps; confusion; fast or pounding heartbeat; increased sense of hearing; increased sensitivity to touch and pain; increased sweating; loss of sense of reality; mental depression; muscle cramps; nausea or vomiting; sensitivity of eyes to light; tingling, burning, or prickly sensations; trembling or shaking
Confusion as to time, place, or person; convulsions (seizures); feelings of suspicion or distrust; hallucinations (seeing, hearing, or feeling things that are not there)
Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.