Super Strength Sinadrin

• If you have an allergy to Super Strength Sinadrin (acetaminophen, chlorpheniramine, and phenylephrine tablets) or any part of this medicine.
• If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
• If you have taken certain drugs used for low mood (depression) like isocarboxazid, phenelzine, or tranylcypromine or drugs used for Parkinson's disease like selegiline or rasagiline in the last 14 days. Taking Super Strength Sinadrin within 14 days of those drugs can cause very bad high blood pressure.

This is not a list of all drugs or health problems that interact with this medicine.

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Super Strength Sinadrin with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

• Tell all of your health care providers that you take this medicine. This includes your doctors, nurses, pharmacists, and dentists.
• Do not take more than what your doctor told you to take. Taking more than you are told may raise your chance of very bad side effects.
• Do not take Super Strength Sinadrin for longer than you were told by your doctor.
• Avoid driving and doing other tasks or actions that call for you to be alert until you see how this medicine affects you.
• Avoid drinking alcohol while taking Super Strength Sinadrin.
• Talk with your doctor before you use other drugs and natural products that slow your actions.
• Use with care in children. Talk with the doctor.
• Avoid other sources of acetaminophen. Check labels closely. Too much acetaminophen may cause problems.
• Very bad and sometimes deadly liver problems have happened with the use of acetaminophen. Some people needed a liver transplant. Liver problems happened most often in people taking more than 4,000 mg (milligrams) in a day. People were often taking more than one drug with acetaminophen in it. Talk with your doctor.
• Call your doctor right away if you take more than 4,000 mg (milligrams) of acetaminophen in a day, even if you feel well.
• This medicine may affect certain lab tests. Tell all of your health care providers and lab workers that you take this medicine.
• Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using Super Strength Sinadrin while you are pregnant.
• Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

• Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
• Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
• Not able to pass urine or change in how much urine is passed.
• A very bad skin reaction (Stevens-Johnson syndrome/toxic epidermal necrolysis) may happen. It can cause very bad health problems that may not go away, and sometimes death. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in your mouth, throat, nose, or eyes.

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.