I gave an extensive answer above.
The correct answer is that in most cases, clindamycin could substitute for deftin, but in fact with more risk.
It is not a good idea in that it is very wide spectrum, and it wipes out the good bacteria in your gut.
Your throat needs examination, and a correct antibiotic.
I would not substitute clindamycin for ceftin as ceftin is more specific to the bugs involved when there is an actual diagnosis.
If this is viral
, neither antibiotic is needed.
OK, so that is an initial answer….
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