In theory SSRI (selective serotonin re-uptake inhibitor) class antidepressants don't have much impact on Libido, they usually do result in difficulties reaching climax. None of the ED drugs have significant impact on this issue. It is a brain chemistry issue.
There are other drugs that do, perhaps the best known is cyproheptadine which is both an antihistamine, and serotonin antagonist. It has serum half life a lot shorter than most SSRI antidepressants, so it only impacts the serotonin receptors for a few hours.
Libido in both sexes is driven mostly by testosterone, and one of the obvious things to do is to get a measurement of 'free' testosterone for someone who has very low libido. If it is low, than supplementation with low dose testosterone will often improve it.
If antidepressants are a problem, the other choice is a different class of drug such as Bupropion (Welbutrin), which does not have any impact on Serotonin chemistry in the brain. (It raises dopamine and Norepinephrine), or an SNRI (selective norepinephrine re-uptake inhibitor) No NSRI is approved in the USA as an antidepressant, although outside the USA, reboxetine is widely approved. reboxetine is fairly unusual drug because it was actually developed in the USA by a US Pharmaceutical company. It actually went through phase III clinical trials in the USA, safety wasn't the issue, the problem is only a relatively small portion of depressed patients have problems with Norepinpherine chemistry, so in the generally population with depression it didn't meet the FDA efficacy requirements.