top of page
Bay Area Families
Allergist Notebook: notes for Bay Area parents from Jonathan Malka, MD, board-certified pediatric allergist and immunologist caring for families at Crescendo MD in Portola Valley. Practical, evidence-based thinking on food allergies, asthma, and eczema in children, from school planning under California law to knowing when to see a specialist. Each article is written and medically reviewed by Dr. Malka. For a Bay Area consultation, visit www.crescendomd.com.


Is a Food Causing My Child's Eczema?
Parents often arrive with a list. Dairy came out in March, then eggs, then wheat, and by the time we meet, a four-year-old is eating nine things, and the skin is no better. Almost always, no. A food is rarely what's driving the eczema, and the removals have usually cost more than they returned. That list is not careless. It is a parent doing the only thing that feels available at two in the morning with a child who cannot stop scratching. But it's worth knowing what the remov

Jonathan Malka, MD
Aug 107 min read


Your Child's Asthma Plan Needs Instructions for Smoke Days
You know the morning. The light is the wrong color, there's fine gray dust on the car, and you're reading an air quality number off your phone before anyone has had breakfast. If your child has asthma, what happens next shouldn't be improvised. The plan should already have a second mode written into it, for the days when the air itself is the problem. Those mornings ask you to make a medical decision at the kitchen counter, alone, off a number on a phone. That's a bad place t

Jonathan Malka, MD
Aug 48 min read


Keeping a Food-Allergic Child Safe at Bay Area Schools
One image turns up every fall: a parent in my office holding their child's epinephrine a little too carefully, quietly doing the math on the seven hours between drop-off and pickup when they won't be in the room. The worry is reasonable, and I don't wave it away. What I tell them is that the safety of that day rests on three things, and all three are settled before the first bell — not during a crisis. A written anaphylaxis action plan on file. Epinephrine at school that hasn

Jonathan Malka, MD
Jul 237 min read
bottom of page