Karen Berger, Pharm.D.

Medical Writer and Reviewer Member of the SingleCare Medical Board

After receiving her doctorate from the University of Pittsburgh School of Pharmacy, Karen Berger, Pharm.D., has worked in both chain and independent community pharmacies. She currently works at an independent pharmacy in New Jersey. Dr. Berger enjoys helping patients understand medical conditions and medications—both in person as a pharmacist, and online as a medical writer and reviewer.

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Articles

Prescription pad with pill bottle: Lamotrigine side effects

Lamotrigine side effects and how to avoid them

Pill bottle and prescription pad: Lisinopril side effects

Lisinopril side effects, warnings, and interactions

FDA approval stamp

FDA approves first insulin biosimilar

Medications that cause heat intolerance

Health Education

14 meds that cause heat intolerance

Drug Recall

Chantix recalled by manufacturer

Lyrica and alcohol

Health Education

Can you mix Lyrica and alcohol?

Prescription pad with pill bottle representing side effects of Prednisolone

Prednisolone side effects and how to avoid them

A stamp for FDA approval - naloxone OTC

FDA approves OTC switch for Astepro

Is it safe to OTC sleep aids every night? A pillow and pills

Are OTC sleep aids safe?

FDA approval stamp

FDA approves Alzheimer’s drug

Topamax and alcohol

Do Topamax and alcohol mix?

FDA approval - fezolinetant

FDA approves Wegovy for weight loss

Prescription pad with pill bottle: Common vs. serious Benzonatate side effects

Benzonatate side effects and how to avoid them

Prescription pad with pill bottle: Common vs. serious Valsartan side effects

Valsartan side effects and how to avoid them

pack of birth control pills - antibiotics and birth control

11 medications that interfere with birth control

Zoloft and alcohol

Can you mix alcohol and Zoloft?

Prescription pad with pill bottle: Common vs. serious Cephalexin side effects

Cephalexin side effects and how to avoid them

Map of America with charts and graphs: Medication error statistics

Medication errors statistics 2025

People wearing masks indoors and COVID particles in the air: COVID variants in the U.S.

COVID-19 variants in the U.S.

How long do migraines last? A man with a clock

Health Education

How long do migraines last?

Prescription pad with pill bottle: Celexa side effects

Celexa side effects and how to avoid them

What its like getting the covid vaccine

The precautions I take now promise a brighter tomorrow

A stamp for FDA approval - naloxone OTC

FDA approves Qelbree for ADHD

Sneakers and a pill represent Lexapro and exercise

Lexapro and exercise: Can you work out while on antidepressants?

Spilled Rx bottle: Cialis side effects

Cialis side effects and how to avoid them

A cocktail and a pill represent Latuda and alcohol

What happens when you mix Latuda and alcohol?

Prescription pad with pill bottle: Spironolactone side effects, warnings and interactions

Spironolactone side effects and how to avoid them

A pill represents Effexor during pregnancy

Is it safe to take Effexor during pregnancy?

Multiple pill bottles represent Look alike sound alike drugs

These drugs are commonly confused

A sign saying Pollen Season Ahead represents spring allergies

Health Education

What causes spring allergies?

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