Bromocriptine
Antiparkinsonism Preps · Dopamine agonist
Indications
Endocrine-based infertility. Prevention or suppression of puerperal lactation. Hyperprolactinaemia. Cyclical benign breast disease, pronounced mastalgia. Adjunct in acromegaly. Prolactinoma. Parkinsonism.
Dosage
Parkinsonism: Adults: Week 1:1 mg-1.25 mg at bed time. Week 2: 2 mg-2.5 mg at bed time. Week 3: 2.5 mg twice daily. Week 4: 2.5 mg 3 times daily increased further at 3 to 14 day intervals in increments of 2.5 mg to 10-40 mg daily in three divided doses. All doses should be taken during meals. Children: Not recommended. Endocrine based infertility: Adults: Initially 1 mg-1.25 mg at bed time. Titrate gradually at 2 to 3 days intervals to 7.5 mg daily in divided doses with meals; max 30 mg daily. Children: Not applicable. Prevention of lactation: Adults: Initially 2.5 mg on day of delivery, then 2.5 mg twice daily with meals for 14 days. Children: Not applicable. Suppression of lactation: Adults: Initially 2.5 mg on the first day increasing after two to three days to 2.5 mg twice daily with meals for 14 days. Children: Not applicable. Hyperprolactinaemia: Adults: Initially 1 mg-1.25 mg at…
Adverse Effects
Nausea, postural hypotension, dizziness, headache, vomiting, constipation, nasal congestion, digital vasospasm, drowsiness, confusion, psychomotor excitation, hallucinations, dyskinesia, dry mouth, leg cramp. Retro-peritoneal fibrosis on long term therapy (discontinue if occurs). Rarely, hypertension, MI, seizures, stroke, psychiatric reactions.
Risk Factor (Pregnancy/Lactation)
Pregnancy: No evidence of risk in humans. Lactation: Contraindicated or not recommended. Contraindications: Toxaemia of pregnancy, puerperal and postpartum hypertension, uncontrolled hypertension, hypersensitivity to ergot alkaloids. Precautions: Hepatic impairment. Risk of sudden sleep onset. Monitor for impulse control disorders incl pathological gambling, hypersexuality, compulsive spending or eating. May induce ovulation; patients not wishing to conceive should use non hormonal contraception. Withdraw if conception occurs. Perform regular gynaecological assessment. Evaluate pituitary function. Monitor tumour size, visual fields. History of coronary artery disease, severe cardiovascular or psychiatric disorders or peptic ulceration. Monitor during treatment for fibrotic reactions including pleuropulmonary disease, retroperitoneal and cardiac fibrosis; discontinue if appear. Monitor…
Interactions
Alcohol, erythromycin, metoclopramide, drugs affecting BP, other ergot alkaloids, macrolides, octreotide, antipsychotics, domperidone, strong CYP3A4 inhibitors or substrates.
Advice to Patient
Take with meals. Take at the same time each day. Avoid alcohol during therapy. Do not take OTC sedatives and CNS depressants without consulting prescriber. If you miss a dose, take missed dose as soon as you remember, unless it is almost time for the next dose. Do not take double dose. Contact prescriber if there is unrelieved constipation, vomiting, acute headache, dizziness, chest pain, irregular heartbeat, nervousness, loss of memory, hallucinations, seizures, painful or difficult urination, skin rash, increased muscle spasm, rigidity or involuntary movements or if there is worsening of condition. Take sufficient amount of fluids (2-3 litres per day) to maintain hydration, unless restricted by the prescriber. Change position slowly from sitting or lying to standing. For nasal congestion, consult prescriber for relief. Have regular dental check-ups. Patients with acromegaly should…
Pharmacokinetics
Absorption: About 28% of dose is rapidly absorbed from the GI tract. Metabolism: Hepatic. Bioavailability: 6 %. Half-life elimination: Biphasic. Initial: 4-4.5 hrs. Terminal: 15 hrs. Time to peak, plasma: Oral: 1-3 hrs. Excretion: Faeces (mainly). Urine (small amounts).
Brands with this active ingredient
Compiled by Healify Pharmacy from published drug references. How we compile it →
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