head started hurting a little bit; arm was kind of sore; Chills; not feeling well; her joints are hurting; has no appetite; the caller had to feed the patient because her arms hurt so bad she couldn't lift them to eat; This is a spontaneous report from a contactable consumer or other non-healthcare professional. This consumer (mother) reporting for a patient (daughter).A female patient of an unspecified age received bnt162b2 (BNT162B2, PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection), dose 2 via an unspecified route of administration on an unspecified date (at 5:30PM) (Batch/Lot number and Expiration date was not reported) as dose 2, single for covid-19 immunisation; isotretinoin (CLARAVIS), via an unspecified route of administration from an unspecified date (Batch/Lot number 100018164 and Expiration date Apr2022) to an unspecified date, at 30 mg for acne. Relevant medical history included acne. The patient concomitant medications were not reported. The patient previously received bnt162b2 (BNT162B2, PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection), dose 1 via an unspecified route of administration on an unspecified date (Batch/Lot number and Expiration date was not reported) for covid-19 immunisation. On an unspecified date, the patient experienced head started hurting a little bit, arm was kind of sore, chills, not feeling well, her joints are hurting, has no appetite and the caller had to feed the patient because her arms hurt so bad, she couldn't lift them to eat. It was reported that the patient takes Claravis for acne and was told about the nose bleeding and dryness and peeling. The last week or so the patient has now been experiencing inconsistent chest pain in the right upper side, like if she grabbed for pencil or cup, she went "ooh", but it comes and goes. The patient also has nose bleeds, it's now triggered to like dry blood in there and it blocks her air way and is painful to get out of there. The reporter tried to leave message at doctor's office, but the patient was told to take two pills but has gotten to the end of her bottle and won't have enough so now she has started taking one pill until she can be seen by her doctor. The patient had bloodwork, a fasting, bloodwork on Tuesday. Tuesday the caller was scheduled for her second covid shot with the patient at 5:30PM, later in day, they had already eaten. Her daughter seemed to be ok. The reporter read on the packet that her daughter cannot take Tylenol. Her daughter's head started hurting a little bit and arm was kind of sore. The pharmacist said you can't take Aleve. Her daughter now has chills, not feeling well, her joints are hurting, she has a sore arm, and her head is hurting. Caller left a message with her daughter's dermatologist and caller called the pharmacy, who told her to call Pfizer. Her daughter has been using ice packs. The patient has no appetite, the caller had to feed the patient because her arms hurt so bad, she couldn't lift them to eat. Her daughter can't take any of those pills at all. The patient has to stay on Claravis. The patient can't take Tylenol, she only takes Aleve, but the pharmacist said she can't take it, but caller wants to know what is counteracting with that with COVID The caller doesn't know if the patient isn't feeling well is from the pills and she can't take something to relieve this discomfort. PSCC Communication: This report is on the caller's daughter. The caller declines to file a safety report, no further information or details were captured at this time. The caller was provided with USMI's phone number of#, option 3, and hours of operation of Monday through Friday 8AM to 8PM, 9 am to 3pm Saturday and Sunday, EST, prior to cold transfer due to a high call volume. Laboratory tests on an unknown date included blood test results unknown. Therapeutic measures were taken as a result of head started hurting a little bit, arm was kind of sore, chills, not feeling well, has no appetite, her joints are hurting and the caller had to feed the patient because her arms hurt so bad she couldn't lift them to eat. The clinical outcome of the events was unknown.  No follow up attempts are needed. Information about lot/batch number cannot be obtained.