Can a throat infection cause an itchy rash? And for throat to feel swollen when you eat?

Yes. Viral infections can lead to a pharyngitis (sore throat) and a rash ( viral xanthem) that is sometimes itches. Alternatively, is drug reaction can cause your symptoms. Most concerning is that sensation of a swollen throat when eating- discuss with your doctor, your symptoms and the specifics of your case today.

Related Questions

Is it normal to have an itchy skin rash and swollen neck after chicken pox?

Yes. When you have chicken pox, you will have three types of rash: you will have red bumps, little bubbles called vessicles filled with clear or slightly yellow fluid, and scabs. The rash itches terribly, and can be soothed with oatmeal baths, topical lotions, tylenol (acetaminophen) and benadryl. Swollen lumps in the neck and other places are called "lymph nodes, " and are a sign that the immune system is working. Read more...
Probably. I presume you are referring to the blister-like rash with chickenpox which may itch during the healing process. The neck gland swelling is not unexpected with an infectious process. Read more...