Tessalon Perles (Benzonatate) is a cough suppressant that relieves cough. It works by calming your cough reflex. Benzonatate (Tessalon Perles) is a cough suppressant. It’s used to relieve cough in people ages 10 years and older. Benzonatate (Tessalon Perles) is taken by mouth three times a day as needed. Possible side effects of this medication include headache and constipation.
Side Effects:
The most common side effects of benzonatate are listed below. Tell your healthcare provider if you have any of these side effects that bother you.
- Drowsiness or sleepiness
- Dizziness
- Headache
- Constipation, nausea, or upset stomach
- Itchy skin, rash
- Stuffy nose
There may be other side effects of benzonatate that are not listed here. Contact your healthcare provider if you think you are having a side effect of a medicine.
While less common, the most serious side effects of benzonatate are described below, along with what to do if they happen.
Benzonatate can cause allergic reactions, which can be serious. Stop taking benzonatate and get help right away if you have any of the following symptoms of a serious allergic reaction.
- Breathing problems or wheezing
- Racing heart
- Fever or general ill feeling
- Swollen lymph nodes
- Swelling of the face, lips, mouth, tongue, or throat
- Trouble swallowing or throat tightness
- Itching, skin rash, or pale red bumps on the skin called hives
- Nausea or vomiting
- Dizziness, feeling lightheaded, or fainting
- Stomach cramps
- Joint pain
Warnings & Precautions:
Allergies to Ingredients. People who are allergic to any of the following should not use benzonatate products.
- Tessalon
- Benzonatate
- Other anesthetics such as procaine and tetracaine
- Any of the ingredients in the specific product dispensed
Your pharmacist can tell you all of the ingredients in the specific benzonatate products they stock.
Benzonatate before using:
Do not take benzonatate unless it has been prescribed to you by a healthcare provider. Take it as prescribed. Do not share benzonatate with other people, even if they have the same condition as you. It may harm them. Keep benzonatate out of the reach of children. See the Overdose section below for more details.
Interactions:
There are no known interactions between benzonatate and foods or nonalcoholic drinks. It is unknown if drinking alcohol will affect benzonatate. The risk for sedation, dizziness, or drowsiness may increase if you drink alcohol while taking benzonatate.
Benzonatate may interact with certain medicines. Always tell your healthcare provider about any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using.
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