Otis Clapp® Mygrex™

Sinus Headache and Migraine Relief



Product Information

Fast relief from sinus related headache pain and migraines. Relieves aches and pains associated with colds & flu. Reduces fever.

  • Unit dose, tamper-evident packets

Each tablet contains:
Acetaminophen 500 mg
Phenylephrine HCl 5 mg


Available in the following package sizes:
300 (150 x 2's) - Item 1615509



Drug Facts Information


Active ingredient (in each tablet): Acetaminophen 500 mg
Purpose: Pain reliever/ fever reducer

Active ingredient (in each tablet): Phenylephrine HCl 5 mg
Purpose: Nasal decongestant

Inactive ingredients*
corn starch, crospovidone*, FD&C blue #1*, hypromellose*, microcrystalline cellulose, polyethylene glycol*, povidone, sodium starch glycolate*, stearic acid

*may contain


Temporarily relieves nasal congestion due to
common cold
hay fever or other respiratory allergies

promotes nasal and/or sinus drainage; relieves sinus congestion and pressure
reduces fever

Temporarily relieves minor aches and pains associated with
muscular aches
minor arthritis pain
common cold
menstrual cramps


Liver warning: This product contains acetaminophen. Severe liver damage may occur if you take:
more than 4,000 mg of acetaminophen in 24 hours
with other drugs containing acetaminophen
3 or more alcoholic drinks every day while using this product

Allergy alert: Acetaminophen may cause severe skin reactions. Symptoms may include:
skin reddening
If a skin reaction occurs, stop use and seek medical help right away.

Do not use
with any other drug containing acetaminophen (prescription or nonprescription). If you are not sure whether a drug contains acetaminophen, ask a doctor or pharmacist.
for more than 10 days for pain unless directed by a doctor
for more than 3 days for fever unless directed by a doctor
if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric or motional conditions, or Parkinson's disease), or for 2 weeks after stopping the MAOI drug. If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product.

Ask a doctor before use if you have
liver disease
thyroid disease
high blood pressure
heart disease
difficulty in urination due to enlargement of the prostate gland

Ask a doctor or pharmacist before use if you are
taking the blood thinning drug warfarin

Stop use and ask a doctor if
symptoms do not improve within 7 days or are accompanied by a fever
pain or fever persists or gets worse
redness or swelling is present
any new symptoms appear

Do not exceed recommended dosage If nervousness, dizziness or sleeplessness occur, dicontinue use and consult a doctor.

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. Prompt medical attention is critical for adults as well as for children even if you do not notice any signs or symptoms.


■ do not use more than directed

Adults and children: (12 years and older) Take 2 tablets every 6 hours. Do not take more than 8 tablets in 24 hours.

Children under 12 years: Do not give this adult strength product to children under 12 years of age; this will provide more than the recommended dose (overdose) and may cause liver damage.

Other Information

store at room temperature 59º-86ºF (15º-30ºC)
tamper-evident sealed packets
do not use any opened or torn packets
avoid excessive heat and humidity


Questions? Please contact us at 1-800-634-7680

Medique Products takes great care to ensure that the product you take is completely safe. This website contains current product information as of 7/31/20 and may differ from the information on the product packaging you may have.