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What Are the Side Effects of Imdur ER?

Isosorbide mononitrate is a drug that is used to treat angina pectoris. It accomplishes this effect by dilating blood vessels, which in turn reduces blood pressure in an individual. The drug is sold under a number of different names. For example, in the United Kingdom, it is sold under the names of "Monosorb" or "Chemydur." It usually is referred to as Imdur ER. Imdur ER may have some significant side effects of which users should be aware.

  1. Headaches

    • Headaches are reported as a common problem with this drug. In fact, according to Stanford Wellsphere, up to thirty percent of the individuals who use this drug will experience an intense headache. In some cases, the headache is so intense that patients have to withdraw from treatment. However, these headaches are a common side effect only within the first couple of treatment periods. As an individual continues using Imdur ER, the occurrence and intensity of headaches reduce rapidly.

    Sleep Problems and Other Issues

    • Stanford Wellsphere also reports that Imdur has a reputation for being disruptive to your sleep cycle. Up to six percent of the individuals who use the drug have disrupted sleep. Furthermore, up to six percent of individuals also report gastrointestinal disturbances. Additionally, individuals seem to suffer from hypotension (low blood pressure). Patients who use this drug also report side effects of appetite disruption, with a little more than two percent reporting poor appetite. Slightly more than one percent of the individuals who use the drug report nausea. For some patients, the drug has caused severe heartburn as well.

    Serious Side Effects

    • The drug can result in more serious side effects as well. For example, Stanford Wellsphere reports that the drug has been known to cause intense vomiting. In some cases, it has caused tachycardia, which is a heart rate that exceeds the normal range for a resting heart rate and which can be extremely dangerous. Finally, the drug has been connected to cases of vertigo and diarrhea. It should be noted that all of these more extreme reactions are unusual.

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