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Common side effects include headache, low blood pressure, nausea, and constipation. [9] Other side effects include allergic reactions and muscle pains. [12] It is not recommended in people with a slow heart rate or heart failure. [12] It is believed to cause problems for the fetus if used during pregnancy. [2]
The drugs are started at a low dose, which is gradually increased until therapeutic effects develop, the ceiling dose for the chosen drug is reached, or side effects become intolerable. Preventive migraine medications are considered effective if they reduce the frequency or severity of the migraine attacks by at least 50%. [ 11 ]
Cluster headache is a neurological disorder characterized by recurrent severe headaches on one side of the head, typically around the eye(s). [1] There is often accompanying eye watering, nasal congestion, or swelling around the eye on the affected side. [1] These symptoms typically last 15 minutes to 3 hours. [2]
Side effects of these drugs may include but are not limited to: Constipation; Peripheral edema, which can occur in as much as 70% of people receiving calcium channel blocker, is caused by calcium channel blockers' preferential arteriolar or precapillary dilation without commensurate dilation in the venous or postcapillary circulation.
Like many other side effects of Viagra, headaches can become more common if you use a high dose of the medication or if you use Viagra, Cialis or Levitra frequently. ... making them safe to use at ...
Flunarizine is a selective calcium antagonist with moderate other actions including antihistamine, serotonin receptor blocking and dopamine D 2 blocking activity. Compared to other calcium channel blockers such as dihydropyridine derivatives, verapamil and diltiazem, flunarizine has low affinity to voltage-dependent calcium channels.
Side effects were similar to the second dose: headache, fatigue, and injection site pain. A booster shot of Moderna's coronavirus vaccine has similar side effects to what people experienced after ...
A medication overuse headache (MOH), also known as a rebound headache, usually occurs when painkillers are taken frequently to relieve headaches. [1] These cases are often referred to as painkiller headaches. [2] Rebound headaches frequently occur daily, can be very painful and are a common cause of chronic daily headache.