Alahist LQ

Name: Alahist LQ

What are some things I need to know or do while I take Alahist LQ?

  • Tell all of your health care providers that you take Alahist LQ. 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 this medicine 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 Alahist LQ affects you.
  • Avoid drinking alcohol while taking this medicine.
  • Talk with your doctor before you use other drugs and natural products that slow your actions.
  • Do not use with other products that have diphenhydramine.
  • Use with care in children. Talk with the doctor.
  • Different brands of Alahist LQ may have different doses for children. Talk with the doctor before giving this medicine to a child.
  • If you are 65 or older, use Alahist LQ with care. You could have more side effects.
  • Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this medicine while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

How do I store and/or throw out Alahist LQ?

  • Store at room temperature.
  • Protect from light.
  • Store in a dry place. Do not store in a bathroom.
  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Check with your pharmacist about how to throw out unused drugs.

Consumer Information Use and Disclaimer

  • If your symptoms or health problems do not get better or if they become worse, call your doctor.
  • Do not share your drugs with others and do not take anyone else's drugs.
  • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
  • Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
  • Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about this medicine, please talk with your doctor, nurse, pharmacist, or other health care provider.
  • 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.

This information should not be used to decide whether or not to take Alahist LQ or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Alahist LQ. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using this medicine.

Review Date: October 4, 2017

For the Consumer

Applies to diphenhydramine / phenylephrine: oral tablet chewable

Other dosage forms:

  • oral liquid, oral solution, oral strip, oral syrup

What are some side effects that I need to call my doctor about right away?

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.
  • Very bad dizziness or passing out.
  • A heartbeat that does not feel normal.
  • A fast heartbeat.
  • Feeling very tired or weak.
  • Any unexplained bruising or bleeding.
  • Change in balance.
  • Feeling confused.
  • Shakiness.
  • Change in eyesight.
  • Seizures.
  • Trouble passing urine.

For Healthcare Professionals

Applies to diphenhydramine / phenylephrine: oral disintegrating strip, oral liquid, oral suspension extended release, oral tablet chewable extended release

Cardiovascular

Cardiovascular side effects have included hypotension, palpitations, tachycardia, and extrasystole.[Ref]

Hematologic

Hematologic side effects have included hemolytic anemia, agranulocytosis, and thrombocytopenia.[Ref]

Nervous system

Nervous system side effects have included sleepiness, sedation, dizziness, disturbed coordination, fatigue, confusion, restlessness, excitation, nervousness, tremor, irritability, insomnia, euphoria, paresthesia, headache, vertigo, tinnitus, acute labyrinthitis, neuritis, and convulsions.[Ref]

Ocular

Ocular side effects have included blurred vision and diplopia.[Ref]

Gastrointestinal

Gastrointestinal side effects have included epigastric distress, anorexia, nausea, vomiting, diarrhea, and constipation.[Ref]

Genitourinary

Genitourinary side effects have included urinary frequency, difficult urination, urinary retention, and early menses.[Ref]

Hypersensitivity

Hypersensitivity side effects have included urticaria, drug rash, anaphylactic shock, and photosensitivity.[Ref]

General

General side effects have included chills, excessive perspiration, and dryness of nose, throat and mouth.[Ref]

Some side effects of Alahist LQ may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

Liver Dose Adjustments

Data not available

Dialysis

Data not available

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