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What Are the Side Effects of Humibid?

Humibid is a brand name for the medication guaifenesin, which is available over the counter without a doctor's prescription. Despite its effectiveness at relieving coughing due to colds, flu or hay fever, Humibid poses a risk for side effects in some patients.

  1. Types of Common Side Effects

    • Common side effects of Humibid include dizziness, headaches, nausea, vomiting and skin rashes.

    Features

    • Because Humibid has the potential to cause drowsiness or dizziness, avoid driving or operating heavy machinery until you know how the medication affects you, suggests the Mayo Clinic. If you experience stomach problems, try taking Humibid with food.

    Drug Interactions

    • The side effects of Humibid may be increased if you combine the drug with other drugs that suppress the actions of your central nervous system, such as alcohol, sedatives, tranquilizers, narcotic pain relievers, barbiturates, anticonvulsants and muscle relaxants.

    Warning

    • Because Humibid is an extended release medication, never crush or break up the capsules as doing so can cause levels of the drug in your body to become too high, warns Drugs.com.

    Considerations

    • Because its effects upon fetal development are unknown, avoid taking Humibid while pregnant. If your cough persists for more than one week, consult your doctor, recommends Drugs.com.

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