If you are talking about one patient then it is:
Patient's allergy.
If you are talking about lots of patients, then it is:
Patients' allergy.
for one patient: patient's for more than one patients: patients'
yes
An apostrophe is not required.
they have an allergy clinic and they do have doctors that work with asthma patients, i don't remember if they have just an asthma "clinic"
There is no apostrophe in "Sports Field"
You should contact your doctor for proper medical advice.
Mrs Debase. (no apostrophe) Mrs Debase's handbag. (Possessive apostrophe)
There are a few stores that sell a model of mattress cover to help allergy patients. Two of those stores are Macy's and Target. They cost between $25 and $40.
Doesn't
Lost wages doesn't need an apostrophe.
The apostrophe in a contraction holds the place of a letter or group of letters. Example: Don't = Do not (the apostrophe holds the place of the 'o') They've = They have (the apostrophe holds the place of the 'ha')
There is no apostrophe in wants. He wants to go to bed.Apostrophes are used instead of letters /words) that are omitted. He's got to go. (He has got to go)