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Q: My 10-year-old's fingernails haven't grown for a month, but her toenails are fine. Why?
Here's doctors quick informational answer.
Myeongchan Kim
Feb 22 min read


Flu A vs. Flu B: What’s the Difference and How to Treat Them?
Written by Dr. Sam Ahn, MD (Family Medicine Specialist, Medical Contents Director of MoDoc AI) | 2026-02-02 You’re at the pediatrician’s office, holding a miserable baby, when the doctor confirms it: "It’s the flu." Then comes the question that confuses everyone: "Is it Type A or Type B?" Panic sets in. Is one worse? Do you need different medicine? Here is the truth that will help you breathe easier: While doctors track the types for data, the home treatment plan is exactly
Sam Ahn
Feb 22 min read


Q: My child's fever worsened after an influenza B IV treatment. Could it be pneumonia?
Here's doctors quick informational answer.
Myeongchan Kim
Feb 13 min read


Q: Did the nebulizer medicine work if my child breathed through their nose while using a mouthpiece?
Here's doctors quick informational answer.
Myeongchan Kim
Feb 12 min read


Q: My daughter feels nauseous and has a slight fever. Could it be her period?
Here's doctors quick informational answer.
Myeongchan Kim
Jan 312 min read


Q: I gave my 4-month-old baby antibiotics too close together. What should I do?
Here's doctors quick informational answer.
Myeongchan Kim
Jan 302 min read


Q: My 6-year-old vomited 4 times in an hour. When should I go to the ER?
Here's doctors quick informational answer.
Myeongchan Kim
Jan 292 min read


Q: Can indigestion cause vomiting and a high fever? My child's hands and feet are cold.
Here's doctors quick informational answer.
Myeongchan Kim
Jan 282 min read


Q: My eosinophil level is 6.9%, just over the normal range. Should I be concerned and get more tests?
Here's doctors quick informational answer.
Myeongchan Kim
Jan 272 min read


No Antibiotics for Your Child’s Ear Infection? Don’t Panic.
Written by Dr. Sam Ahn, MD (Family Medicine Specialist, Medical Contents Director of MoDoc AI) | 2026-01-27 It’s 2:00 AM, your child is screaming in pain, and you feel helpless. You rush to the pediatrician the next morning expecting a prescription, but the doctor says something surprising: "It’s an ear infection, but let’s wait and see before using antibiotics." It feels counterintuitive. Your child is hurting—don't they need medicine? While it’s natural to worry, the "Wait
john45792
Jan 262 min read


Q: My child vomited once, now has a fever of 38.6°C and cold hands. Could this be gastroenteritis? When would an IV drip be necessary?
Here's doctors quick informational answer.
Myeongchan Kim
Jan 262 min read


Q: My child has sinusitis. Is it safe for them to get their scheduled vaccinations?
Here's doctors quick informational answer.
Myeongchan Kim
Jan 252 min read


Q: Can I give max doses of two different fever reducers? And what about using them for pain without a fever?
Here's doctors quick informational answer.
Myeongchan Kim
Jan 243 min read


Q: My toddler's 40°C fever isn't improving after a doctor's visit. Do we need more tests at a larger hospital?
Here's doctors quick informational answer.
Myeongchan Kim
Jan 233 min read


📢 Action Required: Complete Account Migration Before January 25
We are upgrading our system on January 25. Most users have completed the migration, but a few accounts still need to be migrated. Please complete these steps today: Update FeverCoach to the latest version (in the app store). Open the app and go to Settings. Tap Account Migration and follow the instructions. Note: If you don't see the "Account Migration" button, you are already done. Deadline: January 25 After this date, you will lose immediate access to your data and will nee
john45792
Jan 231 min read


Q: My 10-month-old's fever hit 104°F. After medicine, it's 102.2°F. Should we go for an IV?
Here's doctors quick informational answer.
Myeongchan Kim
Jan 223 min read


Q: My 2-month-old has a fever after vaccinations. The hospital said it's rhinovirus. What should I do?
Here's doctors quick informational answer.
Myeongchan Kim
Jan 212 min read


Peanut Butter at 4 Months? The 2026 Guide to Preventing Allergies
Written by Dr. Sam Ahn, MD (Family Medicine Specialist, Medical Contents Director of MoDoc AI) | 2026-01-21 "No peanut butter until age 3!" says your mother-in-law. "Start at 6 months," says your pediatrician. If you’re confused, you aren't alone. For decades, the "safe" choice was to wait. But here is the bottom line: That advice has completely flipped. We now know that keeping allergens away doesn't protect babies; it may actually have contributed to the rise in food allerg
Sam Ahn
Jan 213 min read


Q: My child has a stuffy nose on just one side and a temp of 37.4°C. Should I be concerned?
Here's doctors quick informational answer.
Myeongchan Kim
Jan 202 min read


Q: My child feels cold but has a normal temperature. What should I do?
Here's doctors quick informational answer.
Myeongchan Kim
Jan 192 min read
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