If antihistamines like Benadryl help, it's more likely to be allergies.
If Benadryl dose not help, but Tagamet or Pepcid help, then it's more likely to be reflux.
Not to try confusing you too much, but sometimes, both can be going on (i.e., two separate issues), and also, some allergies can cause reflux...
Chronic Lyme, Bart., Gluten & Sulfite Sensitivity, Many Food/Inhalant/Medication/Chemical Allergies & Intolerances, Asthma, Gut dysmotility & non-specific inflammation, Lupus, Osteoporosis, etc.; G-Tube; TPN-dependent
Meds: Zofran, Domperidone, Hydrocortisone, Essential Oils, Homeopathy, Herbs, etc.