Please wait...


Generic Name: Caffeine Capsules and Tablets (cah FEEN)
Brand Name: NoDoz, Vivarin
Easy-to-read patient leaflet for Vivarin. Includes indications, proper use, special instructions, precautions, and possible side effects.
  • Prescription Settings

Prices and coupons of Vivarin

Current Location: 20149 (Ashburn)
Change Location?

Enter your zip code

Please wait while the prices are loaded...

Don’t see your pharmacy listed? Most pharmacies accept our discounts, so have your pharmacist enter this coupon to see if you will save money:

Drug Information:
For all patients taking Vivarin (caffeine capsules and tablets): Children: This medicine may interact with other drugs or health problems. 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 Vivarin (caffeine capsules and tablets) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor. Learn more

Vivarin Side Effects

Vivarin Side Effects

Note: This document contains side effect information about caffeine. Some of the dosage forms listed on this page may not apply to the brand name Vivarin.

For the Consumer

Applies to caffeine: oral solution, oral tablet

Other dosage forms:

  • intravenous solution

Along with its needed effects, caffeine (the active ingredient contained in Vivarin) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking caffeine:

More common

  • Feeding intolerance

Less common

  • Agitation
  • black, tarry stools
  • blood in the stools or urine
  • bruising
  • burning feeling or tenderness in the stomach
  • chills
  • coma
  • confusion
  • coughing or vomiting blood
  • decreased urine output
  • depression
  • dizziness
  • fainting
  • fast heartbeat
  • fever
  • headache
  • hostility
  • indigestion
  • irritability
  • lethargy
  • lightheadedness
  • muscle twitching
  • nausea
  • persistent bleeding
  • rapid, shallow breathing
  • rapid weight gain
  • rash
  • seizures
  • severe stomach pain
  • stomach upset
  • stupor
  • swelling of the face, ankles, or hands
  • trouble breathing
  • unusual tiredness or weakness
  • vomiting
  • vomiting of blood or material that looks like coffee grounds

Get emergency help immediately if any of the following symptoms of overdose occur while taking caffeine:

Symptoms of overdose

  • Irritability
  • nervousness
  • rapid heartbeat
  • trouble sleeping

Some side effects of caffeine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

  • Rash

Less common

  • Dry skin

For Healthcare Professionals

Applies to caffeine: compounding powder, intravenous solution, oral gum, oral liquid, oral tablet, oral tablet dispersible, oral tablet extended release


Very common (10% or more): Constipation (up to 17.4%)

Common (1% to 10%): Necrotizing enterocolitis, gastritis, GI hemorrhage, gastroesophageal reflux, dilated bowel loops

Frequency not reported: Increased gastric aspirate, GI intolerance, vomiting, regurgitation


Long-term follow-up studies have not shown caffeine (the active ingredient contained in Vivarin) to adversely affect neurological development or growth parameters.


Common (1% to 10%): Hemorrhage, tachycardia

Uncommon (0.1% to 1%): Arrhythmia

Frequency not reported: Increased left ventricular output, increased stroke volume, hypertension


Common (1% to 10%): Rash, dry skin, skin breakdown


Common (1% to 10%): Disseminated intravascular coagulation, anemia

Frequency not reported: Decreased hemoglobin


Common (1% to 10%): Kidney failure


Common (1% to 10%): Acidosis, hyperglycemia

Frequency not reported: Hypoglycemia, temporary reduced weight gain, decreased thyroxine

Nervous system

Common (1% to 10%): Cerebral hemorrhage

Uncommon (0.1% to 1%): Convulsions/seizures

Frequency not reported: Irritability, restlessness, jitteriness, tremors, brain injury


Common (1% to 10%): Retinopathy of prematurity


Common (1% to 10%): Perinatal disorder (trace aspirates, feeding intolerances), injection site reaction, sepsis, accidental injury, abnormal healing, infusion site phlebitis and inflammation

Frequency not reported: Failure to thrive, deafness


Common (1% to 10%): Dyspnea, lung edema

Frequency not reported: Tachypnea


Rare (less than 0.1%): Hypersensitivity reaction


Frequency not reported: Increased urine flow rate, increased creatinine clearance, increased sodium and calcium excretion

Editorial References and Review

Medically reviewed by BestRx Medical Team Last updated on 1/1/2020.

Source: Drugs.com Vivarin