![](https://www.singlecare.com/blog/wp-content/uploads/2020/02/Karen-Berger-scaled-e1715358387306-768x768.jpg)
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
![Rx pills comparing what can someone take instead of diltiazem](https://www.singlecare.com/blog/wp-content/uploads/2022/08/diltiazem-alternatives-600x338.png)
Drug Info
Diltiazem alternatives: What can I take instead of diltiazem?
Diltiazem doesn't work for everyone. Norvasc, Toprol XL, Zestril, Cozaar, and hydrochlorothiazide are some diltiazem alternatives. Get the full list here.
Aug. 17, 2022
![Hand holding Rx pill: Fluconazole side effects and how to avoid them](https://www.singlecare.com/blog/wp-content/uploads/2022/08/fluconazole-side-effects-600x338.png)
Drug Info
Fluconazole side effects and how to avoid them
Fluconazole side effects include stomach pain, nausea, rash, and headache
Aug. 17, 2022
![Rx pill bottle: Hydrochlorothiazide side effects and how to avoid them](https://www.singlecare.com/blog/wp-content/uploads/2022/08/hydrochlorothiazide-side-effects-1-600x338.png)
Drug Info
Hydrochlorothiazide side effects and how to avoid them
Hydrochlorothiazide side effects include weight changes, electrolyte imbalance, sun sensitivity, skin reactions, chest pain, joint pain, and hair loss
Aug. 17, 2022
![scale and pill - the truth about amlodipine](https://www.singlecare.com/blog/wp-content/uploads/2022/08/Blog_081522_Facts_about_amlodipine-600x338.png)
Drug Info
9 FAQs about amlodipine
We separate myths from facts about this commonly prescribed blood pressure medication
Updated on May 8, 2023
![Hand holding Rx pills: What can I take instead of Vyvanse?](https://www.singlecare.com/blog/wp-content/uploads/2022/08/Vyvanse-alternatives-600x338.png)
Drug Info
Vyvanse alternatives: What can I take instead of Vyvanse?
Vyvanse doesn't work for everyone. Adderall XR, Concerta, Intuniv, Ritalin, and Strattera are some Vyvanse alternatives. Get the full list here.
Updated on Dec. 18, 2024
![three water bottles - how much water should i drink while on hydrochlorothiazide](https://www.singlecare.com/blog/wp-content/uploads/2022/07/Blog_080322_hydrochlorothiazide_water-600x338.png)
Drug Info
Water intake and Microzide
When taking this prescription diuretic, it’s important to drink enough to avoid dehydration
Aug. 3, 2022
![Rx pill bottle: Metoprolol side effects](https://www.singlecare.com/blog/wp-content/uploads/2022/07/metoprolol-side-effects-600x338.png)
Drug Info
Metoprolol side effects and how to avoid them
Metoprolol side effects include weight fluctuations, memory loss, hair loss, and rash
Aug. 2, 2022
![prescription bottle - gabapentin for anxiety](https://www.singlecare.com/blog/wp-content/uploads/2022/07/Blog_072522_Gabapentin_anxiety-600x338.png)
Drug Info
Does gabapentin work for anxiety?
Although approved for the treatment of seizures, this prescription drug has many off-label uses
Jul. 25, 2022
![Gabapentin and caffeine (a cup of coffee)](https://www.singlecare.com/blog/wp-content/uploads/2022/07/Blog_072222_Coffee_gabapentin-600x338.png)
Drug Info
Do caffeine and gabapentin mix?
There are daily limits you should adhere to when having caffeine and taking this Rx
Jul. 22, 2022
![Rx pill bottles: How much does Livalo cost without insurance](https://www.singlecare.com/blog/wp-content/uploads/2022/06/Livalo-without-insurance-600x338.png)
Drug Info
How much is Livalo without insurance?
Livalo can be costly without insurance. Learn how to get Livalo at a lower price, or find cheaper alternatives.
Jul. 8, 2022
![Woman holding neck - When to take muscle relaxers](https://www.singlecare.com/blog/wp-content/uploads/2022/06/Blog_063022_Muscle_relaxer-600x338.png)
Drug Info
When to take muscle relaxers
These prescriptions are very effective at relieving certain types of pain
Jun. 30, 2022