Chlorpromazine

Dosage forms available

• Chlorpromazine can be taken orally (tablets and syrup) and administered intramuscularly and intravenous route (injection).

Age and dose restrictions

• Chlorpromazine can be given to both adults, and children aged 6 months and above.

Contraindications

• Chlorpromazine is contraindicated in patients who have known hypersensitivity to it or other phenothiazines. It should not be administered to patients who are in a comatose state or have significant central nervous system depression. Patients with severe liver disease or cardiovascular disease should avoid using Chlorpromazine. This medicine should not be administered to patients with bone marrow suppression or blood dyscrasias.

Other medications to avoid

• Chlorpromazine can interact with other medications such as CNS depressants (like diazepam and alprazolam), opioids (such as morphine), antihypertensives (like metoprolol), diuretics (such as furosemide), anticholinergics (like atropine) and anti-arrhythmia medications (such as procainamide and Quinidine).

Overdose and missed dose

• Overdosing on Chlorpromazine could lead to symptoms like drowsiness, extrapyramidal symptoms, and cardiac arrhythmias. If you suspect an overdose, it is crucial to contact your doctor immediately.

• If you miss a dose of Chlorpromazine, take it as soon as you remember. However, if it is close to the time for your next dose, skip the missed dose and continue with your regular schedule. Do not double up the doses.

Management of side effects

Most side effects of Chlorpromazine are temporary and resolve once the medicine is discontinued. However, if you experience severe side effects or worsening of symptoms, consult your doctor immediately.

• If Chlorpromazine makes you drowsy or dizzy, try taking it before bedtime to reduce daytime drowsiness.

• Drinking plenty of water can help manage dry mouth caused by this medicine.

Use in driving and operating machinery

• Chlorpromazine may cause dizziness or drowsiness that could impair your ability to drive or operate heavy machinery. It is advised to avoid such activities until you know how this medicine affects you.

Use in pregnancy and lactation

• Chlorpromazine should only be used during pregnancy or while breastfeeding if the benefits justify the potential risks. Always consult your doctor before initiating therapy with this medication during these periods.

Caution in other conditions

• Caution should be exercised when administering Chlorpromazine to patients with renal or hepatic impairment, as they may require lower doses. Elderly patients or those with a history of cardiovascular, cerebrovascular, or respiratory disorders should also exercise caution while using this medication.

Special dietary and lifestyle recommendations

• Adequate hydration is important, particularly for patients experiencing dry mouth as a side effect of Chlorpromazine.

• Good sleep hygiene practices can help manage sleep disturbances associated with psychiatric disorders.