Dr Jennah Siwak

Dr Jennah Siwak Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Dr Jennah Siwak, Family doctor, Chicago, IL.
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MD board-certified in family medicine and obesity medicine working in primary care, & mom of four ☺️
Health tips & education 🩺
No medical advice, views are my own 🤍

02/25/2026

Don’t ask ChatGPT to roast you unless you’re ready. Apparently my personality is lab-based 😅

02/23/2026

The new Zepbound KwikPen is a multi-dose, single-patient pen that contains 4 fixed weekly doses in one device. It delivers the same tirzepatide medication, just in a different format, and requires a prescription. Key things to remember: choose the correct strength, use a new pen needle each time, and review proper priming and injection technique before starting.

02/20/2026

Three things you won’t find me doing as a family med doctor 😳

02/18/2026

Anyways, let me know if you are saving money on your diabetes-weight prescription medications with TrumpRx👇

02/15/2026

Obesity medicine wasn’t emphasized in most medical training. That’s changing, but slowly. Culture shifts take time.

02/13/2026

We still think of colon cancer as something that happens “later.” But it’s rising in younger adults, and I’m seeing that shift in real life. If you’re 45+, talk to your doctor about screening. And if something feels off -don’t brush it off. Early detection saves lives 🤍

02/05/2026

Have you noticed this too? This is a sentiment I hear all the time. Same medication. Different diagnosis. Very different reactions ••

We didn't suddenly discover side effects. If you are someone saying this, consider the possibility that you have weight bias.
Concern for safety is important, but if that concern is selective then it may be worth looking inward. Obesity care deserves the same respect as any other chronic disease

02/05/2026

Is shingles contagious?!🦠✨

Quick PSA because this comes up all the time: You can’t “catch shingles” from someone, but you can pass the virus to someone who’s never had chickenpox or the vaccine until the rash crusts over. So yes, a little nuance (because medicine loves a technicality!) 🙃

02/04/2026

If you've experience this, you're not crazy.

Not all GLP1 side effects are gastrointestinal. That's because GLP1 medications don't just work in your gut, they also work in your brain, especially in the areas tied to dopamine and reward

Two often overlooked, interesting side effects are anhedonia and dysesthesia.

✨Anhedonia is that numb, "blah" feeling. You're not depressed or necessarily sad, you just don't feel excited about things that normally bring you joy.

A scientist whose work in the 1970s helped pioneer modern GLP1 medications like Ozempic has even expressed concern that long-term use may be difficult, because "Once you've been on this for a year or two, life is so miserably boring that you can't stand it any longer and you have to go back to your old life." -Professor Jens Juul Holst

✨Dysesthesia refers to abnormal nerve sensations that shouldn't be there, like burning, tingling, pins-and-needles, or crawling sensations.

Have you experienced either of these, or any other unexpected side effects?👇

01/31/2026

What excites doctors most in chronic disease management isn’t what you think🫢💊🩺

01/31/2026

It’s not fair, but it’s true (at least on average in clinical trials). Metabolic disease impacts your entire body💥🌪️⚡️

01/30/2026

Keratosis pilaris aka “chicken skin” or “strawberry skin” is a super common skin condition where keratin (a normal skin protein) plugs hair follicles, creating that rough, bumpy texture.

KP often worsens with dry skin, winter weather, hot showers, and friction.

There’s no cure, but we do have tools to improve texture and redness. Think consistent moisturizing and gentle chemical exfoliation—look for lotions with lactic acid, urea, or salicylic acid.

Talk with your doctor about the approach that’s right for your skin 🤍

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Chicago, IL
60639

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