SUMATRIPTAN

INDICATION AND DOSAGE OF SUMATRIPTAN

What It Is

Sumatriptan is a medication primarily used to treat acute migraine attacks. It belongs to a class of drugs known as triptans, which are specifically designed to alleviate symptoms of migraine headaches. Sumatriptan is renowned for its effectiveness in providing relief from migraine pain and associated symptoms such as nausea and sensitivity to light and sound.

Dosage Forms and Strengths

Sumatriptan is available in various dosage forms, including:

  1. Tablets: Typically available in strengths of 25 mg, 50 mg, and 100 mg.
  2. Nasal Spray: Available in a 20 mg dose.
  3. Subcutaneous Injection: Available in pre-filled syringes or autoinjectors with doses of 6 mg.

Brand and Generic Names

  • Brand Names: Imitrex, Onzetra Xsail, Zembrace SymTouch
  • Generic Name: Sumatriptan

Indications for Use

Sumatriptan is indicated for the acute treatment of migraine attacks with or without aura. It is not intended for the prevention of migraine headaches. It is also used for treating cluster headaches, a type of severe headache that occurs in cyclical patterns.

Mechanism of Action

Sumatriptan works by selectively agonizing (activating) specific serotonin receptors in the brain, known as 5-HT_1B and 5-HT_1D receptors. This action results in vasoconstriction of cranial blood vessels, which alleviates the migraine headache. By stimulating these receptors, sumatriptan also reduces the release of pro-inflammatory substances that contribute to migraine symptoms.

Administration and Dosage

  • Tablets: The typical dose for adults is 50 mg to 100 mg taken orally, with a maximum recommended dose of 200 mg per day. If symptoms persist or return, a second dose may be administered after at least 2 hours.
  • Nasal Spray: One spray (20 mg) into one nostril is recommended. A second dose may be used if the migraine recurs or does not respond, but only after 2 hours.
  • Subcutaneous Injection: The recommended dose is 6 mg administered subcutaneously. A second dose may be given after at least 1 hour if the migraine returns or is not fully relieved, up to a maximum of 12 mg per day.

Side Effects and Precautions

Side Effects:

  • Common: Nausea, dizziness, drowsiness, and a tingling or warm sensation.
  • Serious: Chest pain, severe abdominal pain, or unusual changes in heart rate. Allergic reactions, such as rash or itching, can also occur.

Precautions:

  • Cardiovascular Health: Sumatriptan should be used with caution in patients with a history of cardiovascular disease, including hypertension, angina, or heart attack, due to potential vasoconstrictive effects.
  • Interaction with Other Medications: Care should be taken when used with other serotonergic drugs, such as SSRIs or SNRIs, due to the risk of serotonin syndrome.
  • Pregnancy and Lactation: The safety of sumatriptan during pregnancy and lactation has not been fully established. It should only be used if the potential benefit justifies the potential risk to the fetus or infant.

Conclusion

Sumatriptan remains a cornerstone in the acute treatment of migraines and cluster headaches due to its targeted action and effectiveness in relieving symptoms. With various dosage forms available, it provides flexibility in treatment options. However, its use should be carefully monitored, particularly in patients with pre-existing cardiovascular conditions or those on other serotonergic medications. As with any medication, a thorough discussion with a healthcare provider is essential to ensure safe and effective use, taking into account the individual patient's health profile and medical history.

INDICATION AND DOSAGE OF SUMATRIPTAN

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SUMATRIPTAN 4 FC TB 50 MG 4 UNITS SIAGRAN SIAM BHAESAJ (excluded of 20 USD Postage fee/order)
Sumatriptan is used to treat the symptoms of migraine headaches, including severe, throbbing headaches that may be accompanied by nausea or sensitivity to sound and light
43.00 USD

SUMATRIPTAN 4 FC TB 50 MG 4 UNITS SIAGRAN SIAM BHAESAJ (excluded of 20 USD Postage fee/order) (SIAGRAN)

Sumatriptan is used to treat the symptoms of migraine headaches, including severe, throbbing headaches that may be accompanied by nausea or sensitivity to sound and light
43.00 USD

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