Racepinephrine Hydrochloride
FDA Drug Information • Also known as: Asthmanefrin, S2
- Brand Names
- Asthmanefrin, S2
- Dosage Form
- POWDER
- Product Type
- BULK INGREDIENT
What Is Racepinephrine Hydrochloride Used For?
Uses For temporary relief of mild symptoms of intermittent asthma: Wheezing Tightness of chest Shortness of breath
Dosage and Administration
Directions The ingredient is used in an aqueous solution at a concentration equivalent to 1 percent epinephrine. Do not use more than directed For use in a hand-held rubber bulb nebulizer: Add 0.5 mL (contents of one vial) of solution to nebulizer. Adults and children 4 years of age and over: 1 to 3 inhalations not more often than every 3 hours. Do not use more than 12 inhalations in 24 hours. The use of this product by children should be supervised by an adult. Children under 4 years of age: ask a doctor.
Warnings and Precautions
Warnings Asthma alert: Because asthma may be life threatening, see a doctor if you: Are not better in 20 minutes Get worse Need more than 12 inhalations in 24 hours Use more than 9 inhalations in 24 hours for 3 or more days a week Have more than 2 asthma attacks in a week These may be signs that your asthma is getting worse. Do not use: Unless a doctor said you have asthma If you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric, or emotional conditions, or Parkinson's disease), or for 2 weeks after stopping the MAOI drug. If you do not know if your prescription drug contains a MAOI, ask a doctor or pharmacist before taking this product. If product is brown in color or cloudy Ask a doctor before use if you have: Ever been hospitalized for asthma Heart disease High blood pressure Diabetes Thyroid disease Seizures Narrow angle glaucoma A psychiatric or emotional condition Trouble urinating due to an enlarged prostate gland Ask a doctor or pharmacist before use if you are: Taking prescription drugs for asthma, obesity, weight control, depression, or psychiatric or emotional conditions. Taking any drug that contains phenylephrine, pseudoephedrine, ephedrine, or caffeine (such as for allergy, cough-cold, or pain). Stop use and ask a doctor if: Your asthma is getting worse (See Asthma alert) You have difficulty sleeping You have a rapid heartbeat You have tremors, nervousness, or seizure When using this product: Your blood pressure or heart rate may go up. This could increase your risk of heart attack or stroke, which may cause death. Your risk of heart attack or stroke increases if you: Have a history of high blood pressure or heart disease Take this product more frequently or take more than the recommended dose. Avoid foods or beverages that contain caffeine Avoid dietary supplements containing ingredients reported or claimed to have a stimulant effect. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.
About This Information
This drug information is sourced from FDA-approved labeling via the openFDA database. It is intended for educational and reference purposes only. This is not medical advice. Always consult your healthcare provider before making decisions about medication. Drug information may be updated by the FDA; check with your pharmacist for the most current information.
What are side effects?
Side effects are unwanted reactions that can occur when taking a medication. They range from mild (headache, nausea) to severe (allergic reactions, organ damage). Not everyone experiences side effects, and severity varies. Report any concerning side effects to your doctor.
What are drug interactions?
Drug interactions occur when a medication is affected by another drug, food, or supplement. Interactions can make medications less effective or cause dangerous side effects. Always tell your doctor about all medications and supplements you take.