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Gerardo Sison, Pharm.D.

Medical Writer and Reviewer Member of the SingleCare Medical Board
Gerardo Sison, Pharm.D., graduated from the University of Florida. He has worked in both community and hospital settings providing drug information and medication therapy management services. As a medical writer, he hopes to educate and empower patients to better manage their health and navigate their treatment plans.
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Articles

Rx prescription pad and Rx pill bottle: Rosuvastatin interactions
Drug Info

Rosuvastatin interactions to avoid

Potential drug interactions with rosuvastatin could lead to serious side effects, including muscle pain and weakness
Rx syrup puring into medical measuring cup: Promethazine interactions
Drug Info

Promethazine interactions to avoid

Promethazine can interact with various prescription and over-the-counter drugs that have similar effects
person in a warm stance under the sun - vitamin d patient education
The Checkout

6 vitamin D benefits

Certain groups of people are at higher risk of deficiency. You can support them in these ways.
Bottle of spilled ibuprofen - how long does it take for ibuprofen to work
Drug Info

How fast does ibuprofen work?

If you’re taking Advil or Motrin for pain, you likely want fast relief. Here’s what to expect.
A man with itchy eyes — best antihistamine
Health Education

The best antihistamine

Here’s how to choose the right medication for your symptoms
Medical professional looking at chestx-rays: What causes pain under the left rib cage
Health Education

What causes pain under the left rib cage?

Injury, infection, or GI problems can cause pain on the left side under the rib cage
Three Rx pill bottles: Azithromycin interactions
Drug Info

Azithromycin interactions to avoid

Azithromycin interacts with a variety of medications. The drug being taken and its dosage will determine the type and intensity of the interaction.
cymbalta capsule and toilet paper - cymbalta constipation
Drug Info

Does Cymbalta cause constipation?

It’s an unpleasant side effect of this antidepressant, but there are ways to prevent it
spoons with supplements - vitamins that boost testosterone
Wellness

Supplements to boost testosterone

Zinc, magnesium, and ashwagandha top the list
Rx pill bottle and prescription pad: Propranolol interactions
Drug Info

Propranolol interactions to avoid

Propranolol interacts with antiarrhythmics, antidepressants, triptans, high-fat meals, alcohol, and caffeine
bowl of shilajit - shilajit benefits
Wellness

10 benefits of shilajit

This resin can benefit everything from bone health to your muscle recovery
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