Skip to content
My WebMD Sign In, Sign Up
Ritalin LA

Side Effects

List Ritalin LA side effects by likelihood and severity.

The following side effects are associated with Ritalin LA:

Common side effects of Ritalin LA:

  • Fast HeartbeatSevere
  • High Blood PressureSevere
  • Chronic Trouble SleepingLess Severe
  • Dry MouthLess Severe
  • Feel Like Throwing UpLess Severe
  • Head PainLess Severe
  • Loss of AppetiteLess Severe
  • NervousLess Severe
  • Over ExcitementLess Severe
  • Upper Abdominal PainLess Severe

Infrequent side effects of Ritalin LA:

  • AnginaSevere
  • Chest PainSevere
  • Decreased Blood PlateletsSevere
  • FeverSevere
  • HivesSevere
  • Inflammation of Skin caused by an AllergySevere
  • Involuntary QuiveringSevere
  • Joint PainSevere
  • RashSevere
  • Reaction due to an AllergySevere
  • Sinus Irritation and CongestionSevere
  • Voluntary Movement DifficultySevere
  • Acute Infection of the Nose, Throat or SinusLess Severe
  • Aggressive BehaviorLess Severe
  • CoughLess Severe
  • DizzyLess Severe
  • DrowsinessLess Severe
  • Excessive SweatingLess Severe
  • Stomach CrampsLess Severe
  • Throat IrritationLess Severe
  • Weight LossLess Severe

Rare side effects of Ritalin LA:

  • Abnormal Heart RhythmSevere
  • Abnormal Liver Function TestsSevere
  • AnemiaSevere
  • Blurred VisionSevere
  • Chronic Muscle Twitches or MovementsSevere
  • Continued Painful ErectionSevere
  • Decreased White Blood CellsSevere
  • Erythema MultiformeSevere
  • Failure to GrowSevere
  • Feeling RestlessSevere
  • FitSevere
  • Giant HivesSevere
  • HallucinationSevere
  • Heart AttackSevere
  • Hemorrhage in the BrainSevere
  • Inflammation of Blood Vessels that Carry Blood in the BrainSevere
  • Life Threatening Allergic ReactionSevere
  • Mental Disorder Resulting from Poisonous AgentsSevere
  • Mental Disorder with Loss of Normal Personality & RealitySevere
  • Mood ChangesSevere
  • Occasional Numbness, Prickling, or Tingling of Fingers and ToesSevere
  • Problems with EyesightSevere
  • SeizuresSevere
  • Skin Rash with SloughingSevere
  • StrokeSevere
  • Worsening Symptoms of Tourette's SyndromeSevere
  • Altered Interest in Having Sexual IntercourseLess Severe
  • ConfusedLess Severe
  • Constriction of Blood Vessels of the ExtremitiesLess Severe
  • DiarrheaLess Severe
  • Grinding of the TeethLess Severe
  • Hair LossLess Severe
  • Heart Throbbing or PoundingLess Severe
  • HypertalkativeLess Severe
  • Inflammation of the NoseLess Severe
  • ItchingLess Severe
  • Migraine HeadacheLess Severe
  • Painful PeriodsLess Severe
  • Reversible Ischemic Neurological DefectLess Severe
  • Throwing UpLess Severe

Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, expect as may be authorized by the applicable terms of use.

CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.

More about Drugs and Medications

URAC: Accredited Health Web Site HONcode Seal AdChoices