Inability to swallow lenalidomide capsules whole; capsules of 13-isotretinoin may be opened Inability to swallow capsules, since capsules cannot be crushed or broken Inability to swallow capsules, since capsules cannot be crushed or broken Inability to swallow pills Inability to swallow capsules, since capsules cannot be crushed or broken Inability to swallow capsules, since capsules cannot be crushed or broken