• If you are pregnant or considering becoming pregnant you should discuss the use of this medication with your doctor or pharmacist. ; May cause drowsiness and dizziness. Alcohol and marijuana may intensify this effect. Use care when operating a vehicle, vessel (e.g., boat), or machinery. ; Contains Acetaminophen. Don't use with other drugs that contain Acetaminophen (prescription or nonprescription) unless doctor approves. Too much can cause liver damage ; Do not drink alcoholic beverages when using this medication. ; Using more of this medication than recommended may cause serious breathing problems. ; This medication can interfere with the effectiveness of birth control pills. Consult your doctor or pharmacist. ;

Common side effects

• Drowsy
• Dizziness
• Acute cognitive impairment
• Excitement
• Symptoms of anxiety
• Nightmares
• Depression
• Constipation
• Syncope
• Vertigo
• Insomnia
• Lethargy
• Headache disorder
• Nausea
• Vomiting
• Nervousness
• Irritability

Tell your doctor right away if any of these unlikely but serious side effects occur

• Shortness of breath
• Mental/mood changes
• Fainting
• Seizure
• Fast heartbeat

Tell your doctor right away if any of these rare but very serious side effects occur

• Signs of infection
• Easy bruising/bleeding

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including

• Rash
• Itching/swelling
• Severe dizziness
• Trouble breathing

Other things to note

• Nausea, vomiting, abdominal pain, lightheadedness, dizziness, or drowsiness may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.
• To lower your risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.

• Not recommended for long term use in pregnancy
• May reduce effectiveness of oral contraceptives
• May make you drowsy or dizzy. Drive with caution
• Avoid drinking alcohol
• Call Dr before increasing dose or frequency.
• Do not use with other acetaminophen products.
• Review all drugs you are taking with your doctor
• Call MD if new abdominal pain/yellowing eyes/skin

This combination medication is used to treat tension headaches.

May Treat: Tension-type headache

Brand Names: Phrenilin · Phrenilin Forte · Tencon · Bupap · Allzital and more

Drug Class: Analgesic or Antipyretic Non-Opioid/Sedative Combinations

Availability: Prescription Required

Pregnancy: Consult a doctor before using

Lactation: Does not adversely affect lactation

Alcohol: Limit intake while taking this medication

Driving: May cause drowsiness or dizziness. Use caution